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Finding the Fourth Proportional to 25,105.64, 34,648.74 and 13,928.36

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Solution

The fourth proportional to 25,105.64, 34,648.74 and 13,928.36 is: 19,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.64 : 34,648.74 = 13,928.36 : x
  2. Step 2: Convert to fraction form
    25,105.64/34,648.74 = 13,928.36/x
  3. Step 3: Cross multiply
    25,105.64x = 34,648.74 × 13,928.36
  4. Step 4: Simplify right side
    25,105.64x = 482,600,124.27
  5. Step 5: Solve for x
    x = 482,600,124.27/25,105.64
  6. Step 6: Final answer
    x = 19,222.78

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