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Finding the Fourth Proportional to 24,074.98, 36,117.92 and 12,981.42

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Solution

The fourth proportional to 24,074.98, 36,117.92 and 12,981.42 is: 19,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,074.98 : 36,117.92 = 12,981.42 : x
  2. Step 2: Convert to fraction form
    24,074.98/36,117.92 = 12,981.42/x
  3. Step 3: Cross multiply
    24,074.98x = 36,117.92 × 12,981.42
  4. Step 4: Simplify right side
    24,074.98x = 468,861,889.05
  5. Step 5: Solve for x
    x = 468,861,889.05/24,074.98
  6. Step 6: Final answer
    x = 19,475.07

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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.