Home / 28,867.81-43,306.26-12,227.95

Finding the Fourth Proportional to 28,867.81, 43,306.26 and 12,227.95

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Solution

The fourth proportional to 28,867.81, 43,306.26 and 12,227.95 is: 18,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.81 : 43,306.26 = 12,227.95 : x
  2. Step 2: Convert to fraction form
    28,867.81/43,306.26 = 12,227.95/x
  3. Step 3: Cross multiply
    28,867.81x = 43,306.26 × 12,227.95
  4. Step 4: Simplify right side
    28,867.81x = 529,546,781.97
  5. Step 5: Solve for x
    x = 529,546,781.97/28,867.81
  6. Step 6: Final answer
    x = 18,343.85

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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.