Home / 38,972.33-53,708.32-28,198.96

Finding the Fourth Proportional to 38,972.33, 53,708.32 and 28,198.96

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Solution

The fourth proportional to 38,972.33, 53,708.32 and 28,198.96 is: 38,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.33 : 53,708.32 = 28,198.96 : x
  2. Step 2: Convert to fraction form
    38,972.33/53,708.32 = 28,198.96/x
  3. Step 3: Cross multiply
    38,972.33x = 53,708.32 × 28,198.96
  4. Step 4: Simplify right side
    38,972.33x = 1,514,518,767.35
  5. Step 5: Solve for x
    x = 1,514,518,767.35/38,972.33
  6. Step 6: Final answer
    x = 38,861.39

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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.