Home / 20,127.92-30,192.56-5,338.33

Finding the Fourth Proportional to 20,127.92, 30,192.56 and 5,338.33

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Solution

The fourth proportional to 20,127.92, 30,192.56 and 5,338.33 is: 8,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.92 : 30,192.56 = 5,338.33 : x
  2. Step 2: Convert to fraction form
    20,127.92/30,192.56 = 5,338.33/x
  3. Step 3: Cross multiply
    20,127.92x = 30,192.56 × 5,338.33
  4. Step 4: Simplify right side
    20,127.92x = 161,177,859.09
  5. Step 5: Solve for x
    x = 161,177,859.09/20,127.92
  6. Step 6: Final answer
    x = 8,007.68

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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.