Home / 27,234.76-40,865.82-12,442.36

Finding the Fourth Proportional to 27,234.76, 40,865.82 and 12,442.36

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Solution

The fourth proportional to 27,234.76, 40,865.82 and 12,442.36 is: 18,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,234.76 : 40,865.82 = 12,442.36 : x
  2. Step 2: Convert to fraction form
    27,234.76/40,865.82 = 12,442.36/x
  3. Step 3: Cross multiply
    27,234.76x = 40,865.82 × 12,442.36
  4. Step 4: Simplify right side
    27,234.76x = 508,467,244.14
  5. Step 5: Solve for x
    x = 508,467,244.14/27,234.76
  6. Step 6: Final answer
    x = 18,669.79

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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.