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Finding the Fourth Proportional to 27,828.70, 41,747.10 and 9,104.20

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Solution

The fourth proportional to 27,828.70, 41,747.10 and 9,104.20 is: 13,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.70 : 41,747.10 = 9,104.20 : x
  2. Step 2: Convert to fraction form
    27,828.70/41,747.10 = 9,104.20/x
  3. Step 3: Cross multiply
    27,828.70x = 41,747.10 × 9,104.20
  4. Step 4: Simplify right side
    27,828.70x = 380,073,947.82
  5. Step 5: Solve for x
    x = 380,073,947.82/27,828.70
  6. Step 6: Final answer
    x = 13,657.62

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