Home / 26,986.76-40,470.41-11,405.60

Finding the Fourth Proportional to 26,986.76, 40,470.41 and 11,405.60

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Solution

The fourth proportional to 26,986.76, 40,470.41 and 11,405.60 is: 17,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.76 : 40,470.41 = 11,405.60 : x
  2. Step 2: Convert to fraction form
    26,986.76/40,470.41 = 11,405.60/x
  3. Step 3: Cross multiply
    26,986.76x = 40,470.41 × 11,405.60
  4. Step 4: Simplify right side
    26,986.76x = 461,589,105.94
  5. Step 5: Solve for x
    x = 461,589,105.94/26,986.76
  6. Step 6: Final answer
    x = 17,104.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.