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Finding the Fourth Proportional to 52,145.80, 71,961.06 and 28,272.40

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Solution

The fourth proportional to 52,145.80, 71,961.06 and 28,272.40 is: 39,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.80 : 71,961.06 = 28,272.40 : x
  2. Step 2: Convert to fraction form
    52,145.80/71,961.06 = 28,272.40/x
  3. Step 3: Cross multiply
    52,145.80x = 71,961.06 × 28,272.40
  4. Step 4: Simplify right side
    52,145.80x = 2,034,511,872.74
  5. Step 5: Solve for x
    x = 2,034,511,872.74/52,145.80
  6. Step 6: Final answer
    x = 39,015.83

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