Home / 28,166.91-38,867.68-16,834.16

Finding the Fourth Proportional to 28,166.91, 38,867.68 and 16,834.16

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Solution

The fourth proportional to 28,166.91, 38,867.68 and 16,834.16 is: 23,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.91 : 38,867.68 = 16,834.16 : x
  2. Step 2: Convert to fraction form
    28,166.91/38,867.68 = 16,834.16/x
  3. Step 3: Cross multiply
    28,166.91x = 38,867.68 × 16,834.16
  4. Step 4: Simplify right side
    28,166.91x = 654,304,465.44
  5. Step 5: Solve for x
    x = 654,304,465.44/28,166.91
  6. Step 6: Final answer
    x = 23,229.54

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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.