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Finding the Fourth Proportional to 25,694.78, 38,541.62 and 11,843.78

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Solution

The fourth proportional to 25,694.78, 38,541.62 and 11,843.78 is: 17,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.78 : 38,541.62 = 11,843.78 : x
  2. Step 2: Convert to fraction form
    25,694.78/38,541.62 = 11,843.78/x
  3. Step 3: Cross multiply
    25,694.78x = 38,541.62 × 11,843.78
  4. Step 4: Simplify right side
    25,694.78x = 456,478,216.20
  5. Step 5: Solve for x
    x = 456,478,216.20/25,694.78
  6. Step 6: Final answer
    x = 17,765.41

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