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Finding the Fourth Proportional to 57,794, 86,691 and 16,241

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Solution

The fourth proportional to 57,794, 86,691 and 16,241 is: 24,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,794 : 86,691 = 16,241 : x
  2. Step 2: Convert to fraction form
    57,794/86,691 = 16,241/x
  3. Step 3: Cross multiply
    57,794x = 86,691 × 16,241
  4. Step 4: Simplify right side
    57,794x = 1,407,948,531
  5. Step 5: Solve for x
    x = 1,407,948,531/57,794
  6. Step 6: Final answer
    x = 24,361.50

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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.