Home / 43,688.20-65,519.62-17,028.25

Finding the Fourth Proportional to 43,688.20, 65,519.62 and 17,028.25

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Solution

The fourth proportional to 43,688.20, 65,519.62 and 17,028.25 is: 25,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.20 : 65,519.62 = 17,028.25 : x
  2. Step 2: Convert to fraction form
    43,688.20/65,519.62 = 17,028.25/x
  3. Step 3: Cross multiply
    43,688.20x = 65,519.62 × 17,028.25
  4. Step 4: Simplify right side
    43,688.20x = 1,115,684,469.27
  5. Step 5: Solve for x
    x = 1,115,684,469.27/43,688.20
  6. Step 6: Final answer
    x = 25,537.43

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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.