Home / 20,771.46-28,664.76-11,340.24

Finding the Fourth Proportional to 20,771.46, 28,664.76 and 11,340.24

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Solution

The fourth proportional to 20,771.46, 28,664.76 and 11,340.24 is: 15,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771.46 : 28,664.76 = 11,340.24 : x
  2. Step 2: Convert to fraction form
    20,771.46/28,664.76 = 11,340.24/x
  3. Step 3: Cross multiply
    20,771.46x = 28,664.76 × 11,340.24
  4. Step 4: Simplify right side
    20,771.46x = 325,065,257.94
  5. Step 5: Solve for x
    x = 325,065,257.94/20,771.46
  6. Step 6: Final answer
    x = 15,649.61

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