Home / 17,686.92-26,517.42-15,107.88

Finding the Fourth Proportional to 17,686.92, 26,517.42 and 15,107.88

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Solution

The fourth proportional to 17,686.92, 26,517.42 and 15,107.88 is: 22,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.92 : 26,517.42 = 15,107.88 : x
  2. Step 2: Convert to fraction form
    17,686.92/26,517.42 = 15,107.88/x
  3. Step 3: Cross multiply
    17,686.92x = 26,517.42 × 15,107.88
  4. Step 4: Simplify right side
    17,686.92x = 400,621,999.27
  5. Step 5: Solve for x
    x = 400,621,999.27/17,686.92
  6. Step 6: Final answer
    x = 22,650.75

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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.