Home / 27,930.92-41,872.76-12,124.07

Finding the Fourth Proportional to 27,930.92, 41,872.76 and 12,124.07

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Solution

The fourth proportional to 27,930.92, 41,872.76 and 12,124.07 is: 18,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.92 : 41,872.76 = 12,124.07 : x
  2. Step 2: Convert to fraction form
    27,930.92/41,872.76 = 12,124.07/x
  3. Step 3: Cross multiply
    27,930.92x = 41,872.76 × 12,124.07
  4. Step 4: Simplify right side
    27,930.92x = 507,668,212.71
  5. Step 5: Solve for x
    x = 507,668,212.71/27,930.92
  6. Step 6: Final answer
    x = 18,175.85

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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.