Finding the Fourth Proportional to 21,988, 32,982 and 9,676
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Solution
The fourth proportional to 21,988, 32,982 and 9,676 is: 14,514
Step by Step Solution
- Step 1: Write the proportion equation
21,988 : 32,982 = 9,676 : x - Step 2: Convert to fraction form
21,988/32,982 = 9,676/x - Step 3: Cross multiply
21,988x = 32,982 × 9,676 - Step 4: Simplify right side
21,988x = 319,133,832 - Step 5: Solve for x
x = 319,133,832/21,988 - Step 6: Final answer
x = 14,514
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.