Home / 23,400.28-32,291.94-12,789.88

Finding the Fourth Proportional to 23,400.28, 32,291.94 and 12,789.88

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Solution

The fourth proportional to 23,400.28, 32,291.94 and 12,789.88 is: 17,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.28 : 32,291.94 = 12,789.88 : x
  2. Step 2: Convert to fraction form
    23,400.28/32,291.94 = 12,789.88/x
  3. Step 3: Cross multiply
    23,400.28x = 32,291.94 × 12,789.88
  4. Step 4: Simplify right side
    23,400.28x = 413,010,037.57
  5. Step 5: Solve for x
    x = 413,010,037.57/23,400.28
  6. Step 6: Final answer
    x = 17,649.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.