Home / 23,178.48-32,006.28-21,997.44

Finding the Fourth Proportional to 23,178.48, 32,006.28 and 21,997.44

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Solution

The fourth proportional to 23,178.48, 32,006.28 and 21,997.44 is: 30,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.48 : 32,006.28 = 21,997.44 : x
  2. Step 2: Convert to fraction form
    23,178.48/32,006.28 = 21,997.44/x
  3. Step 3: Cross multiply
    23,178.48x = 32,006.28 × 21,997.44
  4. Step 4: Simplify right side
    23,178.48x = 704,056,223.92
  5. Step 5: Solve for x
    x = 704,056,223.92/23,178.48
  6. Step 6: Final answer
    x = 30,375.43

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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.