Home / 28,560.26-39,408.48-17,942.38

Finding the Fourth Proportional to 28,560.26, 39,408.48 and 17,942.38

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Solution

The fourth proportional to 28,560.26, 39,408.48 and 17,942.38 is: 24,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.26 : 39,408.48 = 17,942.38 : x
  2. Step 2: Convert to fraction form
    28,560.26/39,408.48 = 17,942.38/x
  3. Step 3: Cross multiply
    28,560.26x = 39,408.48 × 17,942.38
  4. Step 4: Simplify right side
    28,560.26x = 707,081,923.38
  5. Step 5: Solve for x
    x = 707,081,923.38/28,560.26
  6. Step 6: Final answer
    x = 24,757.55

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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.