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Finding the Fourth Proportional to 19,879.62, 27,432.48 and 10,927.50

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Solution

The fourth proportional to 19,879.62, 27,432.48 and 10,927.50 is: 15,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.62 : 27,432.48 = 10,927.50 : x
  2. Step 2: Convert to fraction form
    19,879.62/27,432.48 = 10,927.50/x
  3. Step 3: Cross multiply
    19,879.62x = 27,432.48 × 10,927.50
  4. Step 4: Simplify right side
    19,879.62x = 299,768,425.20
  5. Step 5: Solve for x
    x = 299,768,425.20/19,879.62
  6. Step 6: Final answer
    x = 15,079.18

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