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Finding the Fourth Proportional to 25,869.39, 38,787.39 and 12,353.25

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Solution

The fourth proportional to 25,869.39, 38,787.39 and 12,353.25 is: 18,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.39 : 38,787.39 = 12,353.25 : x
  2. Step 2: Convert to fraction form
    25,869.39/38,787.39 = 12,353.25/x
  3. Step 3: Cross multiply
    25,869.39x = 38,787.39 × 12,353.25
  4. Step 4: Simplify right side
    25,869.39x = 479,150,325.52
  5. Step 5: Solve for x
    x = 479,150,325.52/25,869.39
  6. Step 6: Final answer
    x = 18,521.90

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