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Finding the Fourth Proportional to 27,246, 40,878.84 and 13,404.72

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Solution

The fourth proportional to 27,246, 40,878.84 and 13,404.72 is: 20,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246 : 40,878.84 = 13,404.72 : x
  2. Step 2: Convert to fraction form
    27,246/40,878.84 = 13,404.72/x
  3. Step 3: Cross multiply
    27,246x = 40,878.84 × 13,404.72
  4. Step 4: Simplify right side
    27,246x = 547,969,404.12
  5. Step 5: Solve for x
    x = 547,969,404.12/27,246
  6. Step 6: Final answer
    x = 20,111.92

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