Home / 28,132.88-38,822.24-16,196.64

Finding the Fourth Proportional to 28,132.88, 38,822.24 and 16,196.64

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Solution

The fourth proportional to 28,132.88, 38,822.24 and 16,196.64 is: 22,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.88 : 38,822.24 = 16,196.64 : x
  2. Step 2: Convert to fraction form
    28,132.88/38,822.24 = 16,196.64/x
  3. Step 3: Cross multiply
    28,132.88x = 38,822.24 × 16,196.64
  4. Step 4: Simplify right side
    28,132.88x = 628,789,845.27
  5. Step 5: Solve for x
    x = 628,789,845.27/28,132.88
  6. Step 6: Final answer
    x = 22,350.71

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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.