Home / 24,280.38-36,424.40-8,489.78

Finding the Fourth Proportional to 24,280.38, 36,424.40 and 8,489.78

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Solution

The fourth proportional to 24,280.38, 36,424.40 and 8,489.78 is: 12,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,280.38 : 36,424.40 = 8,489.78 : x
  2. Step 2: Convert to fraction form
    24,280.38/36,424.40 = 8,489.78/x
  3. Step 3: Cross multiply
    24,280.38x = 36,424.40 × 8,489.78
  4. Step 4: Simplify right side
    24,280.38x = 309,235,142.63
  5. Step 5: Solve for x
    x = 309,235,142.63/24,280.38
  6. Step 6: Final answer
    x = 12,736.01

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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.