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Finding the Fourth Proportional to 17,247.80, 25,871.70 and 8,499.80

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Solution

The fourth proportional to 17,247.80, 25,871.70 and 8,499.80 is: 12,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.80 : 25,871.70 = 8,499.80 : x
  2. Step 2: Convert to fraction form
    17,247.80/25,871.70 = 8,499.80/x
  3. Step 3: Cross multiply
    17,247.80x = 25,871.70 × 8,499.80
  4. Step 4: Simplify right side
    17,247.80x = 219,904,275.66
  5. Step 5: Solve for x
    x = 219,904,275.66/17,247.80
  6. Step 6: Final answer
    x = 12,749.70

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