Home / 28,175.91-38,882.76-17,565.58

Finding the Fourth Proportional to 28,175.91, 38,882.76 and 17,565.58

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Solution

The fourth proportional to 28,175.91, 38,882.76 and 17,565.58 is: 24,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.91 : 38,882.76 = 17,565.58 : x
  2. Step 2: Convert to fraction form
    28,175.91/38,882.76 = 17,565.58/x
  3. Step 3: Cross multiply
    28,175.91x = 38,882.76 × 17,565.58
  4. Step 4: Simplify right side
    28,175.91x = 682,998,231.40
  5. Step 5: Solve for x
    x = 682,998,231.40/28,175.91
  6. Step 6: Final answer
    x = 24,240.50

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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.