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Finding the Fourth Proportional to 24,002.78, 33,123.78 and 13,937.12

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Solution

The fourth proportional to 24,002.78, 33,123.78 and 13,937.12 is: 19,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,002.78 : 33,123.78 = 13,937.12 : x
  2. Step 2: Convert to fraction form
    24,002.78/33,123.78 = 13,937.12/x
  3. Step 3: Cross multiply
    24,002.78x = 33,123.78 × 13,937.12
  4. Step 4: Simplify right side
    24,002.78x = 461,649,931.09
  5. Step 5: Solve for x
    x = 461,649,931.09/24,002.78
  6. Step 6: Final answer
    x = 19,233.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.