Finding the Fourth Proportional to 42,227.10, 63,316.65 and 15,932.70
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Solution
The fourth proportional to 42,227.10, 63,316.65 and 15,932.70 is: 23,889.99
Step by Step Solution
- Step 1: Write the proportion equation
42,227.10 : 63,316.65 = 15,932.70 : x - Step 2: Convert to fraction form
42,227.10/63,316.65 = 15,932.70/x - Step 3: Cross multiply
42,227.10x = 63,316.65 × 15,932.70 - Step 4: Simplify right side
42,227.10x = 1,008,805,189.46 - Step 5: Solve for x
x = 1,008,805,189.46/42,227.10 - Step 6: Final answer
x = 23,889.99
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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.