Home / 28,754.92-39,680.81-16,177.24

Finding the Fourth Proportional to 28,754.92, 39,680.81 and 16,177.24

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Solution

The fourth proportional to 28,754.92, 39,680.81 and 16,177.24 is: 22,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.92 : 39,680.81 = 16,177.24 : x
  2. Step 2: Convert to fraction form
    28,754.92/39,680.81 = 16,177.24/x
  3. Step 3: Cross multiply
    28,754.92x = 39,680.81 × 16,177.24
  4. Step 4: Simplify right side
    28,754.92x = 641,925,792.94
  5. Step 5: Solve for x
    x = 641,925,792.94/28,754.92
  6. Step 6: Final answer
    x = 22,324.04

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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.