Home / 17,545.24-26,220.83-15,717.88

Finding the Fourth Proportional to 17,545.24, 26,220.83 and 15,717.88

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Solution

The fourth proportional to 17,545.24, 26,220.83 and 15,717.88 is: 23,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,545.24 : 26,220.83 = 15,717.88 : x
  2. Step 2: Convert to fraction form
    17,545.24/26,220.83 = 15,717.88/x
  3. Step 3: Cross multiply
    17,545.24x = 26,220.83 × 15,717.88
  4. Step 4: Simplify right side
    17,545.24x = 412,135,859.44
  5. Step 5: Solve for x
    x = 412,135,859.44/17,545.24
  6. Step 6: Final answer
    x = 23,489.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.