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Finding the Fourth Proportional to 27,769.92, 41,655.04 and 11,353.92

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Solution

The fourth proportional to 27,769.92, 41,655.04 and 11,353.92 is: 17,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.92 : 41,655.04 = 11,353.92 : x
  2. Step 2: Convert to fraction form
    27,769.92/41,655.04 = 11,353.92/x
  3. Step 3: Cross multiply
    27,769.92x = 41,655.04 × 11,353.92
  4. Step 4: Simplify right side
    27,769.92x = 472,947,991.76
  5. Step 5: Solve for x
    x = 472,947,991.76/27,769.92
  6. Step 6: Final answer
    x = 17,030.95

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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.