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Finding the Fourth Proportional to 27,021.78, 40,536.72 and 9,488.52

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Solution

The fourth proportional to 27,021.78, 40,536.72 and 9,488.52 is: 14,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.78 : 40,536.72 = 9,488.52 : x
  2. Step 2: Convert to fraction form
    27,021.78/40,536.72 = 9,488.52/x
  3. Step 3: Cross multiply
    27,021.78x = 40,536.72 × 9,488.52
  4. Step 4: Simplify right side
    27,021.78x = 384,633,478.45
  5. Step 5: Solve for x
    x = 384,633,478.45/27,021.78
  6. Step 6: Final answer
    x = 14,234.20

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