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Finding the Fourth Proportional to 18,538.26, 25,582.87 and 10,040.48

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Solution

The fourth proportional to 18,538.26, 25,582.87 and 10,040.48 is: 13,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.26 : 25,582.87 = 10,040.48 : x
  2. Step 2: Convert to fraction form
    18,538.26/25,582.87 = 10,040.48/x
  3. Step 3: Cross multiply
    18,538.26x = 25,582.87 × 10,040.48
  4. Step 4: Simplify right side
    18,538.26x = 256,864,230.62
  5. Step 5: Solve for x
    x = 256,864,230.62/18,538.26
  6. Step 6: Final answer
    x = 13,855.90

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