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Finding the Fourth Proportional to 19,961.92, 27,548.13 and 12,409.12

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Solution

The fourth proportional to 19,961.92, 27,548.13 and 12,409.12 is: 17,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.92 : 27,548.13 = 12,409.12 : x
  2. Step 2: Convert to fraction form
    19,961.92/27,548.13 = 12,409.12/x
  3. Step 3: Cross multiply
    19,961.92x = 27,548.13 × 12,409.12
  4. Step 4: Simplify right side
    19,961.92x = 341,848,050.95
  5. Step 5: Solve for x
    x = 341,848,050.95/19,961.92
  6. Step 6: Final answer
    x = 17,125.01

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