Home / 85,929.32-128,884.43-26,760.04

Finding the Fourth Proportional to 85,929.32, 128,884.43 and 26,760.04

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Solution

The fourth proportional to 85,929.32, 128,884.43 and 26,760.04 is: 40,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,929.32 : 128,884.43 = 26,760.04 : x
  2. Step 2: Convert to fraction form
    85,929.32/128,884.43 = 26,760.04/x
  3. Step 3: Cross multiply
    85,929.32x = 128,884.43 × 26,760.04
  4. Step 4: Simplify right side
    85,929.32x = 3,448,952,246.87
  5. Step 5: Solve for x
    x = 3,448,952,246.87/85,929.32
  6. Step 6: Final answer
    x = 40,137.08

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