Home / 87,810.48-131,728.56-25,472.88

Finding the Fourth Proportional to 87,810.48, 131,728.56 and 25,472.88

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Solution

The fourth proportional to 87,810.48, 131,728.56 and 25,472.88 is: 38,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,810.48 : 131,728.56 = 25,472.88 : x
  2. Step 2: Convert to fraction form
    87,810.48/131,728.56 = 25,472.88/x
  3. Step 3: Cross multiply
    87,810.48x = 131,728.56 × 25,472.88
  4. Step 4: Simplify right side
    87,810.48x = 3,355,505,801.45
  5. Step 5: Solve for x
    x = 3,355,505,801.45/87,810.48
  6. Step 6: Final answer
    x = 38,213.04

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1.5x scale

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.