Home / 18,545.09-27,829.85-17,314.83

Finding the Fourth Proportional to 18,545.09, 27,829.85 and 17,314.83

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Solution

The fourth proportional to 18,545.09, 27,829.85 and 17,314.83 is: 25,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.09 : 27,829.85 = 17,314.83 : x
  2. Step 2: Convert to fraction form
    18,545.09/27,829.85 = 17,314.83/x
  3. Step 3: Cross multiply
    18,545.09x = 27,829.85 × 17,314.83
  4. Step 4: Simplify right side
    18,545.09x = 481,869,035.10
  5. Step 5: Solve for x
    x = 481,869,035.10/18,545.09
  6. Step 6: Final answer
    x = 25,983.65

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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.