Home / 26,156-39,251.28-12,306.08

Finding the Fourth Proportional to 26,156, 39,251.28 and 12,306.08

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Solution

The fourth proportional to 26,156, 39,251.28 and 12,306.08 is: 18,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156 : 39,251.28 = 12,306.08 : x
  2. Step 2: Convert to fraction form
    26,156/39,251.28 = 12,306.08/x
  3. Step 3: Cross multiply
    26,156x = 39,251.28 × 12,306.08
  4. Step 4: Simplify right side
    26,156x = 483,029,391.78
  5. Step 5: Solve for x
    x = 483,029,391.78/26,156
  6. Step 6: Final answer
    x = 18,467.25

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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.