Home / 20,127.68-30,196.27-19,792.97

Finding the Fourth Proportional to 20,127.68, 30,196.27 and 19,792.97

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Solution

The fourth proportional to 20,127.68, 30,196.27 and 19,792.97 is: 29,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.68 : 30,196.27 = 19,792.97 : x
  2. Step 2: Convert to fraction form
    20,127.68/30,196.27 = 19,792.97/x
  3. Step 3: Cross multiply
    20,127.68x = 30,196.27 × 19,792.97
  4. Step 4: Simplify right side
    20,127.68x = 597,673,892.23
  5. Step 5: Solve for x
    x = 597,673,892.23/20,127.68
  6. Step 6: Final answer
    x = 29,694.12

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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.