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Finding the Fourth Proportional to 18,787.75, 25,927.91 and 10,404.25

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Solution

The fourth proportional to 18,787.75, 25,927.91 and 10,404.25 is: 14,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.75 : 25,927.91 = 10,404.25 : x
  2. Step 2: Convert to fraction form
    18,787.75/25,927.91 = 10,404.25/x
  3. Step 3: Cross multiply
    18,787.75x = 25,927.91 × 10,404.25
  4. Step 4: Simplify right side
    18,787.75x = 269,760,457.62
  5. Step 5: Solve for x
    x = 269,760,457.62/18,787.75
  6. Step 6: Final answer
    x = 14,358.32

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