Finding the Fourth Proportional to 21,531.17, 32,254.64 and 14,112.99
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Solution
The fourth proportional to 21,531.17, 32,254.64 and 14,112.99 is: 21,141.88
Step by Step Solution
- Step 1: Write the proportion equation
21,531.17 : 32,254.64 = 14,112.99 : x - Step 2: Convert to fraction form
21,531.17/32,254.64 = 14,112.99/x - Step 3: Cross multiply
21,531.17x = 32,254.64 × 14,112.99 - Step 4: Simplify right side
21,531.17x = 455,209,394.13 - Step 5: Solve for x
x = 455,209,394.13/21,531.17 - Step 6: Final answer
x = 21,141.88
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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.