Home / 28,163.75-38,866.01-17,553.38

Finding the Fourth Proportional to 28,163.75, 38,866.01 and 17,553.38

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Solution

The fourth proportional to 28,163.75, 38,866.01 and 17,553.38 is: 24,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.75 : 38,866.01 = 17,553.38 : x
  2. Step 2: Convert to fraction form
    28,163.75/38,866.01 = 17,553.38/x
  3. Step 3: Cross multiply
    28,163.75x = 38,866.01 × 17,553.38
  4. Step 4: Simplify right side
    28,163.75x = 682,229,659.25
  5. Step 5: Solve for x
    x = 682,229,659.25/28,163.75
  6. Step 6: Final answer
    x = 24,223.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.