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Finding the Fourth Proportional to 17,105.60, 25,701.60 and 15,204.80

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Solution

The fourth proportional to 17,105.60, 25,701.60 and 15,204.80 is: 22,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,105.60 : 25,701.60 = 15,204.80 : x
  2. Step 2: Convert to fraction form
    17,105.60/25,701.60 = 15,204.80/x
  3. Step 3: Cross multiply
    17,105.60x = 25,701.60 × 15,204.80
  4. Step 4: Simplify right side
    17,105.60x = 390,787,687.68
  5. Step 5: Solve for x
    x = 390,787,687.68/17,105.60
  6. Step 6: Final answer
    x = 22,845.60

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