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Finding the Fourth Proportional to 24,015.92, 36,019.68 and 10,865.20

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Solution

The fourth proportional to 24,015.92, 36,019.68 and 10,865.20 is: 16,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,015.92 : 36,019.68 = 10,865.20 : x
  2. Step 2: Convert to fraction form
    24,015.92/36,019.68 = 10,865.20/x
  3. Step 3: Cross multiply
    24,015.92x = 36,019.68 × 10,865.20
  4. Step 4: Simplify right side
    24,015.92x = 391,361,027.14
  5. Step 5: Solve for x
    x = 391,361,027.14/24,015.92
  6. Step 6: Final answer
    x = 16,295.90

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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.