Home / 43,723.40-65,585.09-17,428.37

Finding the Fourth Proportional to 43,723.40, 65,585.09 and 17,428.37

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Solution

The fourth proportional to 43,723.40, 65,585.09 and 17,428.37 is: 26,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.40 : 65,585.09 = 17,428.37 : x
  2. Step 2: Convert to fraction form
    43,723.40/65,585.09 = 17,428.37/x
  3. Step 3: Cross multiply
    43,723.40x = 65,585.09 × 17,428.37
  4. Step 4: Simplify right side
    43,723.40x = 1,143,040,930.65
  5. Step 5: Solve for x
    x = 1,143,040,930.65/43,723.40
  6. Step 6: Final answer
    x = 26,142.55

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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.