Home / 21,524.52-32,064.82-20,871.68

Finding the Fourth Proportional to 21,524.52, 32,064.82 and 20,871.68

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Solution

The fourth proportional to 21,524.52, 32,064.82 and 20,871.68 is: 31,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.52 : 32,064.82 = 20,871.68 : x
  2. Step 2: Convert to fraction form
    21,524.52/32,064.82 = 20,871.68/x
  3. Step 3: Cross multiply
    21,524.52x = 32,064.82 × 20,871.68
  4. Step 4: Simplify right side
    21,524.52x = 669,246,662.30
  5. Step 5: Solve for x
    x = 669,246,662.30/21,524.52
  6. Step 6: Final answer
    x = 31,092.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.