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Finding the Fourth Proportional to 40,246.60, 60,369.90 and 15,286.66

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Solution

The fourth proportional to 40,246.60, 60,369.90 and 15,286.66 is: 22,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.60 : 60,369.90 = 15,286.66 : x
  2. Step 2: Convert to fraction form
    40,246.60/60,369.90 = 15,286.66/x
  3. Step 3: Cross multiply
    40,246.60x = 60,369.90 × 15,286.66
  4. Step 4: Simplify right side
    40,246.60x = 922,854,135.53
  5. Step 5: Solve for x
    x = 922,854,135.53/40,246.60
  6. Step 6: Final answer
    x = 22,929.99

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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.