Home / 28,875.84-43,306.25-12,227.31

Finding the Fourth Proportional to 28,875.84, 43,306.25 and 12,227.31

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Solution

The fourth proportional to 28,875.84, 43,306.25 and 12,227.31 is: 18,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.84 : 43,306.25 = 12,227.31 : x
  2. Step 2: Convert to fraction form
    28,875.84/43,306.25 = 12,227.31/x
  3. Step 3: Cross multiply
    28,875.84x = 43,306.25 × 12,227.31
  4. Step 4: Simplify right side
    28,875.84x = 529,518,882.55
  5. Step 5: Solve for x
    x = 529,518,882.55/28,875.84
  6. Step 6: Final answer
    x = 18,337.78

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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.