Home / 22,108.96-33,163.44-20,757.28

Finding the Fourth Proportional to 22,108.96, 33,163.44 and 20,757.28

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Solution

The fourth proportional to 22,108.96, 33,163.44 and 20,757.28 is: 31,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.96 : 33,163.44 = 20,757.28 : x
  2. Step 2: Convert to fraction form
    22,108.96/33,163.44 = 20,757.28/x
  3. Step 3: Cross multiply
    22,108.96x = 33,163.44 × 20,757.28
  4. Step 4: Simplify right side
    22,108.96x = 688,382,809.84
  5. Step 5: Solve for x
    x = 688,382,809.84/22,108.96
  6. Step 6: Final answer
    x = 31,135.92

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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.