Home / 26,778.45-36,953.62-15,447.97

Finding the Fourth Proportional to 26,778.45, 36,953.62 and 15,447.97

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Solution

The fourth proportional to 26,778.45, 36,953.62 and 15,447.97 is: 21,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.45 : 36,953.62 = 15,447.97 : x
  2. Step 2: Convert to fraction form
    26,778.45/36,953.62 = 15,447.97/x
  3. Step 3: Cross multiply
    26,778.45x = 36,953.62 × 15,447.97
  4. Step 4: Simplify right side
    26,778.45x = 570,858,413.15
  5. Step 5: Solve for x
    x = 570,858,413.15/26,778.45
  6. Step 6: Final answer
    x = 21,317.83

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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.