Home / 24,331.59-36,489.69-12,638.43

Finding the Fourth Proportional to 24,331.59, 36,489.69 and 12,638.43

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Solution

The fourth proportional to 24,331.59, 36,489.69 and 12,638.43 is: 18,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,331.59 : 36,489.69 = 12,638.43 : x
  2. Step 2: Convert to fraction form
    24,331.59/36,489.69 = 12,638.43/x
  3. Step 3: Cross multiply
    24,331.59x = 36,489.69 × 12,638.43
  4. Step 4: Simplify right side
    24,331.59x = 461,172,392.79
  5. Step 5: Solve for x
    x = 461,172,392.79/24,331.59
  6. Step 6: Final answer
    x = 18,953.65

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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.