Home / 28,229.88-38,950.36-16,293.19

Finding the Fourth Proportional to 28,229.88, 38,950.36 and 16,293.19

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Solution

The fourth proportional to 28,229.88, 38,950.36 and 16,293.19 is: 22,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.88 : 38,950.36 = 16,293.19 : x
  2. Step 2: Convert to fraction form
    28,229.88/38,950.36 = 16,293.19/x
  3. Step 3: Cross multiply
    28,229.88x = 38,950.36 × 16,293.19
  4. Step 4: Simplify right side
    28,229.88x = 634,625,473.29
  5. Step 5: Solve for x
    x = 634,625,473.29/28,229.88
  6. Step 6: Final answer
    x = 22,480.63

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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.