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Finding the Fourth Proportional to 25,681.85, 38,522.78 and 6,961.89

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Solution

The fourth proportional to 25,681.85, 38,522.78 and 6,961.89 is: 10,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.85 : 38,522.78 = 6,961.89 : x
  2. Step 2: Convert to fraction form
    25,681.85/38,522.78 = 6,961.89/x
  3. Step 3: Cross multiply
    25,681.85x = 38,522.78 × 6,961.89
  4. Step 4: Simplify right side
    25,681.85x = 268,191,129.43
  5. Step 5: Solve for x
    x = 268,191,129.43/25,681.85
  6. Step 6: Final answer
    x = 10,442.83

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