Home / 22,127.92-30,566.37-20,553.28

Finding the Fourth Proportional to 22,127.92, 30,566.37 and 20,553.28

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Solution

The fourth proportional to 22,127.92, 30,566.37 and 20,553.28 is: 28,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.92 : 30,566.37 = 20,553.28 : x
  2. Step 2: Convert to fraction form
    22,127.92/30,566.37 = 20,553.28/x
  3. Step 3: Cross multiply
    22,127.92x = 30,566.37 × 20,553.28
  4. Step 4: Simplify right side
    22,127.92x = 628,239,161.19
  5. Step 5: Solve for x
    x = 628,239,161.19/22,127.92
  6. Step 6: Final answer
    x = 28,391.24

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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.