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Finding the Fourth Proportional to 27.99, 41.97 and 9.94

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Solution

The fourth proportional to 27.99, 41.97 and 9.94 is: 14.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.99 : 41.97 = 9.94 : x
  2. Step 2: Convert to fraction form
    27.99/41.97 = 9.94/x
  3. Step 3: Cross multiply
    27.99x = 41.97 × 9.94
  4. Step 4: Simplify right side
    27.99x = 417.18
  5. Step 5: Solve for x
    x = 417.18/27.99
  6. Step 6: Final answer
    x = 14.90

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