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Finding the Fourth Proportional to 25,463.80, 38,186.56 and 8,819.36

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Solution

The fourth proportional to 25,463.80, 38,186.56 and 8,819.36 is: 13,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.80 : 38,186.56 = 8,819.36 : x
  2. Step 2: Convert to fraction form
    25,463.80/38,186.56 = 8,819.36/x
  3. Step 3: Cross multiply
    25,463.80x = 38,186.56 × 8,819.36
  4. Step 4: Simplify right side
    25,463.80x = 336,781,019.80
  5. Step 5: Solve for x
    x = 336,781,019.80/25,463.80
  6. Step 6: Final answer
    x = 13,225.87

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