Home / 28,696.28-39,601.31-16,757.69

Finding the Fourth Proportional to 28,696.28, 39,601.31 and 16,757.69

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Solution

The fourth proportional to 28,696.28, 39,601.31 and 16,757.69 is: 23,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.28 : 39,601.31 = 16,757.69 : x
  2. Step 2: Convert to fraction form
    28,696.28/39,601.31 = 16,757.69/x
  3. Step 3: Cross multiply
    28,696.28x = 39,601.31 × 16,757.69
  4. Step 4: Simplify right side
    28,696.28x = 663,626,194.78
  5. Step 5: Solve for x
    x = 663,626,194.78/28,696.28
  6. Step 6: Final answer
    x = 23,125.87

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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.