Home / 28,229.67-38,954.14-16,296.85

Finding the Fourth Proportional to 28,229.67, 38,954.14 and 16,296.85

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Solution

The fourth proportional to 28,229.67, 38,954.14 and 16,296.85 is: 22,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.67 : 38,954.14 = 16,296.85 : x
  2. Step 2: Convert to fraction form
    28,229.67/38,954.14 = 16,296.85/x
  3. Step 3: Cross multiply
    28,229.67x = 38,954.14 × 16,296.85
  4. Step 4: Simplify right side
    28,229.67x = 634,829,776.46
  5. Step 5: Solve for x
    x = 634,829,776.46/28,229.67
  6. Step 6: Final answer
    x = 22,488.03

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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.