Home / 28,950.50-39,961.55-17,017.38

Finding the Fourth Proportional to 28,950.50, 39,961.55 and 17,017.38

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Solution

The fourth proportional to 28,950.50, 39,961.55 and 17,017.38 is: 23,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.50 : 39,961.55 = 17,017.38 : x
  2. Step 2: Convert to fraction form
    28,950.50/39,961.55 = 17,017.38/x
  3. Step 3: Cross multiply
    28,950.50x = 39,961.55 × 17,017.38
  4. Step 4: Simplify right side
    28,950.50x = 680,040,924.28
  5. Step 5: Solve for x
    x = 680,040,924.28/28,950.50
  6. Step 6: Final answer
    x = 23,489.78

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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.