Home / 28,958.27-39,961.64-16,382.75

Finding the Fourth Proportional to 28,958.27, 39,961.64 and 16,382.75

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Solution

The fourth proportional to 28,958.27, 39,961.64 and 16,382.75 is: 22,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.27 : 39,961.64 = 16,382.75 : x
  2. Step 2: Convert to fraction form
    28,958.27/39,961.64 = 16,382.75/x
  3. Step 3: Cross multiply
    28,958.27x = 39,961.64 × 16,382.75
  4. Step 4: Simplify right side
    28,958.27x = 654,681,475.80
  5. Step 5: Solve for x
    x = 654,681,475.80/28,958.27
  6. Step 6: Final answer
    x = 22,607.76

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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.