Home / 27,251.83-40,890.71-12,459.61

Finding the Fourth Proportional to 27,251.83, 40,890.71 and 12,459.61

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Solution

The fourth proportional to 27,251.83, 40,890.71 and 12,459.61 is: 18,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.83 : 40,890.71 = 12,459.61 : x
  2. Step 2: Convert to fraction form
    27,251.83/40,890.71 = 12,459.61/x
  3. Step 3: Cross multiply
    27,251.83x = 40,890.71 × 12,459.61
  4. Step 4: Simplify right side
    27,251.83x = 509,482,299.22
  5. Step 5: Solve for x
    x = 509,482,299.22/27,251.83
  6. Step 6: Final answer
    x = 18,695.34

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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.