Home / 27,680.76-41,529.24-11,877.48

Finding the Fourth Proportional to 27,680.76, 41,529.24 and 11,877.48

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Solution

The fourth proportional to 27,680.76, 41,529.24 and 11,877.48 is: 17,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.76 : 41,529.24 = 11,877.48 : x
  2. Step 2: Convert to fraction form
    27,680.76/41,529.24 = 11,877.48/x
  3. Step 3: Cross multiply
    27,680.76x = 41,529.24 × 11,877.48
  4. Step 4: Simplify right side
    27,680.76x = 493,262,717.52
  5. Step 5: Solve for x
    x = 493,262,717.52/27,680.76
  6. Step 6: Final answer
    x = 17,819.70

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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.