Home / 23,400.20-32,291.52-12,789.74

Finding the Fourth Proportional to 23,400.20, 32,291.52 and 12,789.74

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Solution

The fourth proportional to 23,400.20, 32,291.52 and 12,789.74 is: 17,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.20 : 32,291.52 = 12,789.74 : x
  2. Step 2: Convert to fraction form
    23,400.20/32,291.52 = 12,789.74/x
  3. Step 3: Cross multiply
    23,400.20x = 32,291.52 × 12,789.74
  4. Step 4: Simplify right side
    23,400.20x = 413,000,145.00
  5. Step 5: Solve for x
    x = 413,000,145.00/23,400.20
  6. Step 6: Final answer
    x = 17,649.43

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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.