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Finding the Fourth Proportional to 38,145.79, 57,218.73 and 15,947.02

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Solution

The fourth proportional to 38,145.79, 57,218.73 and 15,947.02 is: 23,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.79 : 57,218.73 = 15,947.02 : x
  2. Step 2: Convert to fraction form
    38,145.79/57,218.73 = 15,947.02/x
  3. Step 3: Cross multiply
    38,145.79x = 57,218.73 × 15,947.02
  4. Step 4: Simplify right side
    38,145.79x = 912,468,231.68
  5. Step 5: Solve for x
    x = 912,468,231.68/38,145.79
  6. Step 6: Final answer
    x = 23,920.55

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