Home / 22,728.76-34,107.35-8,689.97

Finding the Fourth Proportional to 22,728.76, 34,107.35 and 8,689.97

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Solution

The fourth proportional to 22,728.76, 34,107.35 and 8,689.97 is: 13,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.76 : 34,107.35 = 8,689.97 : x
  2. Step 2: Convert to fraction form
    22,728.76/34,107.35 = 8,689.97/x
  3. Step 3: Cross multiply
    22,728.76x = 34,107.35 × 8,689.97
  4. Step 4: Simplify right side
    22,728.76x = 296,391,890.10
  5. Step 5: Solve for x
    x = 296,391,890.10/22,728.76
  6. Step 6: Final answer
    x = 13,040.39

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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.