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Finding the Fourth Proportional to 25,494.60, 38,241.90 and 13,684.80

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Solution

The fourth proportional to 25,494.60, 38,241.90 and 13,684.80 is: 20,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.60 : 38,241.90 = 13,684.80 : x
  2. Step 2: Convert to fraction form
    25,494.60/38,241.90 = 13,684.80/x
  3. Step 3: Cross multiply
    25,494.60x = 38,241.90 × 13,684.80
  4. Step 4: Simplify right side
    25,494.60x = 523,332,753.12
  5. Step 5: Solve for x
    x = 523,332,753.12/25,494.60
  6. Step 6: Final answer
    x = 20,527.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.