Finding the Fourth Proportional to 21,936.99, 32,906.21 and 6,354.75
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Solution
The fourth proportional to 21,936.99, 32,906.21 and 6,354.75 is: 9,532.33
Step by Step Solution
- Step 1: Write the proportion equation
21,936.99 : 32,906.21 = 6,354.75 : x - Step 2: Convert to fraction form
21,936.99/32,906.21 = 6,354.75/x - Step 3: Cross multiply
21,936.99x = 32,906.21 × 6,354.75 - Step 4: Simplify right side
21,936.99x = 209,110,706.22 - Step 5: Solve for x
x = 209,110,706.22/21,936.99 - Step 6: Final answer
x = 9,532.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.