**> Using Proportion to find Percent of a Number Method <**

**Using Proportion to Find the percent of a Number**

Example: What percent of 20 is 7?

The set should look like the picture below

Note: The whole is also call the base

7 appears with the word is, it's the PART so it goes at

the top

20 appears with the word of so it goes at the bottom

Find the cross product of the proportion

Missing percent = 100 x 7 divided by 20.

100 x 7 = 700

700 ÷ 20 = 35

7 is 35% of 20

Related pages

Finding the percent of a

number

Examples: What is 15% of 40? or

what is 35% of 120?

Finding the percent

Example: What percent of 45 is 8?

Finding percent of the whole

Example: What number is 30% of

100%