Home / 28,229.11-38,953.33-16,296.28

Finding the Fourth Proportional to 28,229.11, 38,953.33 and 16,296.28

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Solution

The fourth proportional to 28,229.11, 38,953.33 and 16,296.28 is: 22,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.11 : 38,953.33 = 16,296.28 : x
  2. Step 2: Convert to fraction form
    28,229.11/38,953.33 = 16,296.28/x
  3. Step 3: Cross multiply
    28,229.11x = 38,953.33 × 16,296.28
  4. Step 4: Simplify right side
    28,229.11x = 634,794,234.49
  5. Step 5: Solve for x
    x = 634,794,234.49/28,229.11
  6. Step 6: Final answer
    x = 22,487.22

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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.