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Finding the Fourth Proportional to 25,218.80, 37,828.20 and 23,145.20

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Solution

The fourth proportional to 25,218.80, 37,828.20 and 23,145.20 is: 34,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.80 : 37,828.20 = 23,145.20 : x
  2. Step 2: Convert to fraction form
    25,218.80/37,828.20 = 23,145.20/x
  3. Step 3: Cross multiply
    25,218.80x = 37,828.20 × 23,145.20
  4. Step 4: Simplify right side
    25,218.80x = 875,541,254.64
  5. Step 5: Solve for x
    x = 875,541,254.64/25,218.80
  6. Step 6: Final answer
    x = 34,717.80

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