Home / 23,789.90-32,830.30-13,179.76

Finding the Fourth Proportional to 23,789.90, 32,830.30 and 13,179.76

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Solution

The fourth proportional to 23,789.90, 32,830.30 and 13,179.76 is: 18,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.90 : 32,830.30 = 13,179.76 : x
  2. Step 2: Convert to fraction form
    23,789.90/32,830.30 = 13,179.76/x
  3. Step 3: Cross multiply
    23,789.90x = 32,830.30 × 13,179.76
  4. Step 4: Simplify right side
    23,789.90x = 432,695,474.73
  5. Step 5: Solve for x
    x = 432,695,474.73/23,789.90
  6. Step 6: Final answer
    x = 18,188.20

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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.