Home / 28,738.33-39,658.51-16,163.08

Finding the Fourth Proportional to 28,738.33, 39,658.51 and 16,163.08

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Solution

The fourth proportional to 28,738.33, 39,658.51 and 16,163.08 is: 22,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.33 : 39,658.51 = 16,163.08 : x
  2. Step 2: Convert to fraction form
    28,738.33/39,658.51 = 16,163.08/x
  3. Step 3: Cross multiply
    28,738.33x = 39,658.51 × 16,163.08
  4. Step 4: Simplify right side
    28,738.33x = 641,003,590.87
  5. Step 5: Solve for x
    x = 641,003,590.87/28,738.33
  6. Step 6: Final answer
    x = 22,304.83

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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.