Home / 26,949.92-37,190.92-15,621.60

Finding the Fourth Proportional to 26,949.92, 37,190.92 and 15,621.60

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Solution

The fourth proportional to 26,949.92, 37,190.92 and 15,621.60 is: 21,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.92 : 37,190.92 = 15,621.60 : x
  2. Step 2: Convert to fraction form
    26,949.92/37,190.92 = 15,621.60/x
  3. Step 3: Cross multiply
    26,949.92x = 37,190.92 × 15,621.60
  4. Step 4: Simplify right side
    26,949.92x = 580,981,675.87
  5. Step 5: Solve for x
    x = 580,981,675.87/26,949.92
  6. Step 6: Final answer
    x = 21,557.83

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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.