Home / 23,353.28-34,974.24-12,939.20

Finding the Fourth Proportional to 23,353.28, 34,974.24 and 12,939.20

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Solution

The fourth proportional to 23,353.28, 34,974.24 and 12,939.20 is: 19,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,353.28 : 34,974.24 = 12,939.20 : x
  2. Step 2: Convert to fraction form
    23,353.28/34,974.24 = 12,939.20/x
  3. Step 3: Cross multiply
    23,353.28x = 34,974.24 × 12,939.20
  4. Step 4: Simplify right side
    23,353.28x = 452,538,686.21
  5. Step 5: Solve for x
    x = 452,538,686.21/23,353.28
  6. Step 6: Final answer
    x = 19,377.95

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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.