Home / 28,175.91-42,261.42-17,079.33

Finding the Fourth Proportional to 28,175.91, 42,261.42 and 17,079.33

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Solution

The fourth proportional to 28,175.91, 42,261.42 and 17,079.33 is: 25,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.91 : 42,261.42 = 17,079.33 : x
  2. Step 2: Convert to fraction form
    28,175.91/42,261.42 = 17,079.33/x
  3. Step 3: Cross multiply
    28,175.91x = 42,261.42 × 17,079.33
  4. Step 4: Simplify right side
    28,175.91x = 721,796,738.45
  5. Step 5: Solve for x
    x = 721,796,738.45/28,175.91
  6. Step 6: Final answer
    x = 25,617.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.