Home / 28,414.57-42,648.11-14,384.44

Finding the Fourth Proportional to 28,414.57, 42,648.11 and 14,384.44

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Solution

The fourth proportional to 28,414.57, 42,648.11 and 14,384.44 is: 21,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.57 : 42,648.11 = 14,384.44 : x
  2. Step 2: Convert to fraction form
    28,414.57/42,648.11 = 14,384.44/x
  3. Step 3: Cross multiply
    28,414.57x = 42,648.11 × 14,384.44
  4. Step 4: Simplify right side
    28,414.57x = 613,469,179.41
  5. Step 5: Solve for x
    x = 613,469,179.41/28,414.57
  6. Step 6: Final answer
    x = 21,589.95

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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.