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Finding the Fourth Proportional to 29,272.64, 40,396.35 and 15,844.07

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Solution

The fourth proportional to 29,272.64, 40,396.35 and 15,844.07 is: 21,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.64 : 40,396.35 = 15,844.07 : x
  2. Step 2: Convert to fraction form
    29,272.64/40,396.35 = 15,844.07/x
  3. Step 3: Cross multiply
    29,272.64x = 40,396.35 × 15,844.07
  4. Step 4: Simplify right side
    29,272.64x = 640,042,597.14
  5. Step 5: Solve for x
    x = 640,042,597.14/29,272.64
  6. Step 6: Final answer
    x = 21,864.87

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