Home / 28,166.97-38,867.77-16,834.20

Finding the Fourth Proportional to 28,166.97, 38,867.77 and 16,834.20

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Solution

The fourth proportional to 28,166.97, 38,867.77 and 16,834.20 is: 23,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.97 : 38,867.77 = 16,834.20 : x
  2. Step 2: Convert to fraction form
    28,166.97/38,867.77 = 16,834.20/x
  3. Step 3: Cross multiply
    28,166.97x = 38,867.77 × 16,834.20
  4. Step 4: Simplify right side
    28,166.97x = 654,308,064.32
  5. Step 5: Solve for x
    x = 654,308,064.32/28,166.97
  6. Step 6: Final answer
    x = 23,229.63

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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.