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Finding the Fourth Proportional to 25,882.25, 38,795.69 and 13,389.69

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Solution

The fourth proportional to 25,882.25, 38,795.69 and 13,389.69 is: 20,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,882.25 : 38,795.69 = 13,389.69 : x
  2. Step 2: Convert to fraction form
    25,882.25/38,795.69 = 13,389.69/x
  3. Step 3: Cross multiply
    25,882.25x = 38,795.69 × 13,389.69
  4. Step 4: Simplify right side
    25,882.25x = 519,462,195.49
  5. Step 5: Solve for x
    x = 519,462,195.49/25,882.25
  6. Step 6: Final answer
    x = 20,070.21

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