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Finding the Fourth Proportional to 24,459.60, 36,689.40 and 12,770.10

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Solution

The fourth proportional to 24,459.60, 36,689.40 and 12,770.10 is: 19,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,459.60 : 36,689.40 = 12,770.10 : x
  2. Step 2: Convert to fraction form
    24,459.60/36,689.40 = 12,770.10/x
  3. Step 3: Cross multiply
    24,459.60x = 36,689.40 × 12,770.10
  4. Step 4: Simplify right side
    24,459.60x = 468,527,306.94
  5. Step 5: Solve for x
    x = 468,527,306.94/24,459.60
  6. Step 6: Final answer
    x = 19,155.15

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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.