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Finding the Fourth Proportional to 27,299.20, 40,948.80 and 19,004.80

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Solution

The fourth proportional to 27,299.20, 40,948.80 and 19,004.80 is: 28,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.20 : 40,948.80 = 19,004.80 : x
  2. Step 2: Convert to fraction form
    27,299.20/40,948.80 = 19,004.80/x
  3. Step 3: Cross multiply
    27,299.20x = 40,948.80 × 19,004.80
  4. Step 4: Simplify right side
    27,299.20x = 778,223,754.24
  5. Step 5: Solve for x
    x = 778,223,754.24/27,299.20
  6. Step 6: Final answer
    x = 28,507.20

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