Finding the Fourth Proportional to 84,515.95, 126,793.92 and 27,589.55
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Solution
The fourth proportional to 84,515.95, 126,793.92 and 27,589.55 is: 41,390.85
Step by Step Solution
- Step 1: Write the proportion equation
84,515.95 : 126,793.92 = 27,589.55 : x - Step 2: Convert to fraction form
84,515.95/126,793.92 = 27,589.55/x - Step 3: Cross multiply
84,515.95x = 126,793.92 × 27,589.55 - Step 4: Simplify right side
84,515.95x = 3,498,187,195.54 - Step 5: Solve for x
x = 3,498,187,195.54/84,515.95 - Step 6: Final answer
x = 41,390.85
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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.