Home / 28,540.18-42,747.94-17,413.12

Finding the Fourth Proportional to 28,540.18, 42,747.94 and 17,413.12

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Solution

The fourth proportional to 28,540.18, 42,747.94 and 17,413.12 is: 26,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.18 : 42,747.94 = 17,413.12 : x
  2. Step 2: Convert to fraction form
    28,540.18/42,747.94 = 17,413.12/x
  3. Step 3: Cross multiply
    28,540.18x = 42,747.94 × 17,413.12
  4. Step 4: Simplify right side
    28,540.18x = 744,375,008.97
  5. Step 5: Solve for x
    x = 744,375,008.97/28,540.18
  6. Step 6: Final answer
    x = 26,081.65

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1.5x scale

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.