Home / 87,927.80-131,891.70-25,604.60

Finding the Fourth Proportional to 87,927.80, 131,891.70 and 25,604.60

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Solution

The fourth proportional to 87,927.80, 131,891.70 and 25,604.60 is: 38,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927.80 : 131,891.70 = 25,604.60 : x
  2. Step 2: Convert to fraction form
    87,927.80/131,891.70 = 25,604.60/x
  3. Step 3: Cross multiply
    87,927.80x = 131,891.70 × 25,604.60
  4. Step 4: Simplify right side
    87,927.80x = 3,377,034,221.82
  5. Step 5: Solve for x
    x = 3,377,034,221.82/87,927.80
  6. Step 6: Final answer
    x = 38,406.90

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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.