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Finding the Fourth Proportional to 29,815.51, 41,146.49 and 16,387.79

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Solution

The fourth proportional to 29,815.51, 41,146.49 and 16,387.79 is: 22,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.51 : 41,146.49 = 16,387.79 : x
  2. Step 2: Convert to fraction form
    29,815.51/41,146.49 = 16,387.79/x
  3. Step 3: Cross multiply
    29,815.51x = 41,146.49 × 16,387.79
  4. Step 4: Simplify right side
    29,815.51x = 674,300,037.36
  5. Step 5: Solve for x
    x = 674,300,037.36/29,815.51
  6. Step 6: Final answer
    x = 22,615.75

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