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Finding the Fourth Proportional to 22,361.24, 33,543.02 and 5,721.42

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Solution

The fourth proportional to 22,361.24, 33,543.02 and 5,721.42 is: 8,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.24 : 33,543.02 = 5,721.42 : x
  2. Step 2: Convert to fraction form
    22,361.24/33,543.02 = 5,721.42/x
  3. Step 3: Cross multiply
    22,361.24x = 33,543.02 × 5,721.42
  4. Step 4: Simplify right side
    22,361.24x = 191,913,676.88
  5. Step 5: Solve for x
    x = 191,913,676.88/22,361.24
  6. Step 6: Final answer
    x = 8,582.43

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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.