Home / 85,923.10-128,896.80-26,752.60

Finding the Fourth Proportional to 85,923.10, 128,896.80 and 26,752.60

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Solution

The fourth proportional to 85,923.10, 128,896.80 and 26,752.60 is: 40,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,923.10 : 128,896.80 = 26,752.60 : x
  2. Step 2: Convert to fraction form
    85,923.10/128,896.80 = 26,752.60/x
  3. Step 3: Cross multiply
    85,923.10x = 128,896.80 × 26,752.60
  4. Step 4: Simplify right side
    85,923.10x = 3,448,324,531.68
  5. Step 5: Solve for x
    x = 3,448,324,531.68/85,923.10
  6. Step 6: Final answer
    x = 40,132.68

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