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Finding the Fourth Proportional to 57,494.27, 86,241.42 and 25,867.40

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Solution

The fourth proportional to 57,494.27, 86,241.42 and 25,867.40 is: 38,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.27 : 86,241.42 = 25,867.40 : x
  2. Step 2: Convert to fraction form
    57,494.27/86,241.42 = 25,867.40/x
  3. Step 3: Cross multiply
    57,494.27x = 86,241.42 × 25,867.40
  4. Step 4: Simplify right side
    57,494.27x = 2,230,840,876.50
  5. Step 5: Solve for x
    x = 2,230,840,876.50/57,494.27
  6. Step 6: Final answer
    x = 38,801.10

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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.