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Finding the Fourth Proportional to 26,869.20, 40,303.80 and 17,019.60

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Solution

The fourth proportional to 26,869.20, 40,303.80 and 17,019.60 is: 25,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.20 : 40,303.80 = 17,019.60 : x
  2. Step 2: Convert to fraction form
    26,869.20/40,303.80 = 17,019.60/x
  3. Step 3: Cross multiply
    26,869.20x = 40,303.80 × 17,019.60
  4. Step 4: Simplify right side
    26,869.20x = 685,954,554.48
  5. Step 5: Solve for x
    x = 685,954,554.48/26,869.20
  6. Step 6: Final answer
    x = 25,529.40

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