Home / 38,572.72-57,891.96-15,215.56

Finding the Fourth Proportional to 38,572.72, 57,891.96 and 15,215.56

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Solution

The fourth proportional to 38,572.72, 57,891.96 and 15,215.56 is: 22,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.72 : 57,891.96 = 15,215.56 : x
  2. Step 2: Convert to fraction form
    38,572.72/57,891.96 = 15,215.56/x
  3. Step 3: Cross multiply
    38,572.72x = 57,891.96 × 15,215.56
  4. Step 4: Simplify right side
    38,572.72x = 880,858,590.90
  5. Step 5: Solve for x
    x = 880,858,590.90/38,572.72
  6. Step 6: Final answer
    x = 22,836.31

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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.