Home / 28,845-39,805.38-16,268.76

Finding the Fourth Proportional to 28,845, 39,805.38 and 16,268.76

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Solution

The fourth proportional to 28,845, 39,805.38 and 16,268.76 is: 22,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845 : 39,805.38 = 16,268.76 : x
  2. Step 2: Convert to fraction form
    28,845/39,805.38 = 16,268.76/x
  3. Step 3: Cross multiply
    28,845x = 39,805.38 × 16,268.76
  4. Step 4: Simplify right side
    28,845x = 647,584,173.93
  5. Step 5: Solve for x
    x = 647,584,173.93/28,845
  6. Step 6: Final answer
    x = 22,450.48

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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.