Home / 43,828.76-65,716.80-17,142.96

Finding the Fourth Proportional to 43,828.76, 65,716.80 and 17,142.96

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Solution

The fourth proportional to 43,828.76, 65,716.80 and 17,142.96 is: 25,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,828.76 : 65,716.80 = 17,142.96 : x
  2. Step 2: Convert to fraction form
    43,828.76/65,716.80 = 17,142.96/x
  3. Step 3: Cross multiply
    43,828.76x = 65,716.80 × 17,142.96
  4. Step 4: Simplify right side
    43,828.76x = 1,126,580,473.73
  5. Step 5: Solve for x
    x = 1,126,580,473.73/43,828.76
  6. Step 6: Final answer
    x = 25,704.14

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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.