Home / 28,856.82-39,799.33-19,902.26

Finding the Fourth Proportional to 28,856.82, 39,799.33 and 19,902.26

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Solution

The fourth proportional to 28,856.82, 39,799.33 and 19,902.26 is: 27,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.82 : 39,799.33 = 19,902.26 : x
  2. Step 2: Convert to fraction form
    28,856.82/39,799.33 = 19,902.26/x
  3. Step 3: Cross multiply
    28,856.82x = 39,799.33 × 19,902.26
  4. Step 4: Simplify right side
    28,856.82x = 792,096,613.49
  5. Step 5: Solve for x
    x = 792,096,613.49/28,856.82
  6. Step 6: Final answer
    x = 27,449.20

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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.