Home / 28,337.62-42,471.57-12,525.61

Finding the Fourth Proportional to 28,337.62, 42,471.57 and 12,525.61

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Solution

The fourth proportional to 28,337.62, 42,471.57 and 12,525.61 is: 18,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.62 : 42,471.57 = 12,525.61 : x
  2. Step 2: Convert to fraction form
    28,337.62/42,471.57 = 12,525.61/x
  3. Step 3: Cross multiply
    28,337.62x = 42,471.57 × 12,525.61
  4. Step 4: Simplify right side
    28,337.62x = 531,982,321.91
  5. Step 5: Solve for x
    x = 531,982,321.91/28,337.62
  6. Step 6: Final answer
    x = 18,773.01

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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.