Home / 27,451.69-41,193.11-12,660.62

Finding the Fourth Proportional to 27,451.69, 41,193.11 and 12,660.62

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Solution

The fourth proportional to 27,451.69, 41,193.11 and 12,660.62 is: 18,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.69 : 41,193.11 = 12,660.62 : x
  2. Step 2: Convert to fraction form
    27,451.69/41,193.11 = 12,660.62/x
  3. Step 3: Cross multiply
    27,451.69x = 41,193.11 × 12,660.62
  4. Step 4: Simplify right side
    27,451.69x = 521,530,043.06
  5. Step 5: Solve for x
    x = 521,530,043.06/27,451.69
  6. Step 6: Final answer
    x = 18,998.11

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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.