Home / 26,857.41-40,286.13-8,389.41

Finding the Fourth Proportional to 26,857.41, 40,286.13 and 8,389.41

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Solution

The fourth proportional to 26,857.41, 40,286.13 and 8,389.41 is: 12,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.41 : 40,286.13 = 8,389.41 : x
  2. Step 2: Convert to fraction form
    26,857.41/40,286.13 = 8,389.41/x
  3. Step 3: Cross multiply
    26,857.41x = 40,286.13 × 8,389.41
  4. Step 4: Simplify right side
    26,857.41x = 337,976,679.35
  5. Step 5: Solve for x
    x = 337,976,679.35/26,857.41
  6. Step 6: Final answer
    x = 12,584.11

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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.