Home / 28,841.45-39,770.46-22,781.03

Finding the Fourth Proportional to 28,841.45, 39,770.46 and 22,781.03

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Solution

The fourth proportional to 28,841.45, 39,770.46 and 22,781.03 is: 31,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.45 : 39,770.46 = 22,781.03 : x
  2. Step 2: Convert to fraction form
    28,841.45/39,770.46 = 22,781.03/x
  3. Step 3: Cross multiply
    28,841.45x = 39,770.46 × 22,781.03
  4. Step 4: Simplify right side
    28,841.45x = 906,011,843.52
  5. Step 5: Solve for x
    x = 906,011,843.52/28,841.45
  6. Step 6: Final answer
    x = 31,413.54

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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.