Home / 24,278.87-36,421.89-12,439.34

Finding the Fourth Proportional to 24,278.87, 36,421.89 and 12,439.34

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Solution

The fourth proportional to 24,278.87, 36,421.89 and 12,439.34 is: 18,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,278.87 : 36,421.89 = 12,439.34 : x
  2. Step 2: Convert to fraction form
    24,278.87/36,421.89 = 12,439.34/x
  3. Step 3: Cross multiply
    24,278.87x = 36,421.89 × 12,439.34
  4. Step 4: Simplify right side
    24,278.87x = 453,064,273.15
  5. Step 5: Solve for x
    x = 453,064,273.15/24,278.87
  6. Step 6: Final answer
    x = 18,660.85

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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.