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Finding the Fourth Proportional to 18,451.68, 27,651.60 and 13,837.92

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Solution

The fourth proportional to 18,451.68, 27,651.60 and 13,837.92 is: 20,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.68 : 27,651.60 = 13,837.92 : x
  2. Step 2: Convert to fraction form
    18,451.68/27,651.60 = 13,837.92/x
  3. Step 3: Cross multiply
    18,451.68x = 27,651.60 × 13,837.92
  4. Step 4: Simplify right side
    18,451.68x = 382,640,628.67
  5. Step 5: Solve for x
    x = 382,640,628.67/18,451.68
  6. Step 6: Final answer
    x = 20,737.44

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