Home / 27,974.61-38,609.65-17,902.56

Finding the Fourth Proportional to 27,974.61, 38,609.65 and 17,902.56

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Solution

The fourth proportional to 27,974.61, 38,609.65 and 17,902.56 is: 24,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.61 : 38,609.65 = 17,902.56 : x
  2. Step 2: Convert to fraction form
    27,974.61/38,609.65 = 17,902.56/x
  3. Step 3: Cross multiply
    27,974.61x = 38,609.65 × 17,902.56
  4. Step 4: Simplify right side
    27,974.61x = 691,211,742.87
  5. Step 5: Solve for x
    x = 691,211,742.87/27,974.61
  6. Step 6: Final answer
    x = 24,708.54

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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.