Home / 27,779.20-41,660.15-9,306.88

Finding the Fourth Proportional to 27,779.20, 41,660.15 and 9,306.88

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Solution

The fourth proportional to 27,779.20, 41,660.15 and 9,306.88 is: 13,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.20 : 41,660.15 = 9,306.88 : x
  2. Step 2: Convert to fraction form
    27,779.20/41,660.15 = 9,306.88/x
  3. Step 3: Cross multiply
    27,779.20x = 41,660.15 × 9,306.88
  4. Step 4: Simplify right side
    27,779.20x = 387,726,016.83
  5. Step 5: Solve for x
    x = 387,726,016.83/27,779.20
  6. Step 6: Final answer
    x = 13,957.42

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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.