Home / 43,343.28-65,016.72-13,760.46

Finding the Fourth Proportional to 43,343.28, 65,016.72 and 13,760.46

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Solution

The fourth proportional to 43,343.28, 65,016.72 and 13,760.46 is: 20,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.28 : 65,016.72 = 13,760.46 : x
  2. Step 2: Convert to fraction form
    43,343.28/65,016.72 = 13,760.46/x
  3. Step 3: Cross multiply
    43,343.28x = 65,016.72 × 13,760.46
  4. Step 4: Simplify right side
    43,343.28x = 894,659,974.89
  5. Step 5: Solve for x
    x = 894,659,974.89/43,343.28
  6. Step 6: Final answer
    x = 20,641.26

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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.