Home / 26,286.76-39,443.10-18,545.32

Finding the Fourth Proportional to 26,286.76, 39,443.10 and 18,545.32

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Solution

The fourth proportional to 26,286.76, 39,443.10 and 18,545.32 is: 27,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.76 : 39,443.10 = 18,545.32 : x
  2. Step 2: Convert to fraction form
    26,286.76/39,443.10 = 18,545.32/x
  3. Step 3: Cross multiply
    26,286.76x = 39,443.10 × 18,545.32
  4. Step 4: Simplify right side
    26,286.76x = 731,484,911.29
  5. Step 5: Solve for x
    x = 731,484,911.29/26,286.76
  6. Step 6: Final answer
    x = 27,827.12

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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.