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Finding the Fourth Proportional to 27,917.88, 38,524.44 and 15,978.48

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Solution

The fourth proportional to 27,917.88, 38,524.44 and 15,978.48 is: 22,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.88 : 38,524.44 = 15,978.48 : x
  2. Step 2: Convert to fraction form
    27,917.88/38,524.44 = 15,978.48/x
  3. Step 3: Cross multiply
    27,917.88x = 38,524.44 × 15,978.48
  4. Step 4: Simplify right side
    27,917.88x = 615,561,994.05
  5. Step 5: Solve for x
    x = 615,561,994.05/27,917.88
  6. Step 6: Final answer
    x = 22,049.02

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