Home / 26,906.28-40,359.45-12,863

Finding the Fourth Proportional to 26,906.28, 40,359.45 and 12,863

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Solution

The fourth proportional to 26,906.28, 40,359.45 and 12,863 is: 19,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.28 : 40,359.45 = 12,863 : x
  2. Step 2: Convert to fraction form
    26,906.28/40,359.45 = 12,863/x
  3. Step 3: Cross multiply
    26,906.28x = 40,359.45 × 12,863
  4. Step 4: Simplify right side
    26,906.28x = 519,143,605.35
  5. Step 5: Solve for x
    x = 519,143,605.35/26,906.28
  6. Step 6: Final answer
    x = 19,294.51

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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.