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Finding the Fourth Proportional to 25,043.28, 34,480.80 and 19,055.76

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Solution

The fourth proportional to 25,043.28, 34,480.80 and 19,055.76 is: 26,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.28 : 34,480.80 = 19,055.76 : x
  2. Step 2: Convert to fraction form
    25,043.28/34,480.80 = 19,055.76/x
  3. Step 3: Cross multiply
    25,043.28x = 34,480.80 × 19,055.76
  4. Step 4: Simplify right side
    25,043.28x = 657,057,849.41
  5. Step 5: Solve for x
    x = 657,057,849.41/25,043.28
  6. Step 6: Final answer
    x = 26,236.89

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