Home / 25,612.42-38,436-8,972.59

Finding the Fourth Proportional to 25,612.42, 38,436 and 8,972.59

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Solution

The fourth proportional to 25,612.42, 38,436 and 8,972.59 is: 13,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.42 : 38,436 = 8,972.59 : x
  2. Step 2: Convert to fraction form
    25,612.42/38,436 = 8,972.59/x
  3. Step 3: Cross multiply
    25,612.42x = 38,436 × 8,972.59
  4. Step 4: Simplify right side
    25,612.42x = 344,870,469.24
  5. Step 5: Solve for x
    x = 344,870,469.24/25,612.42
  6. Step 6: Final answer
    x = 13,464.97

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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.