Home / 27,596.10-38,081.52-15,020.85

Finding the Fourth Proportional to 27,596.10, 38,081.52 and 15,020.85

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Solution

The fourth proportional to 27,596.10, 38,081.52 and 15,020.85 is: 20,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,596.10 : 38,081.52 = 15,020.85 : x
  2. Step 2: Convert to fraction form
    27,596.10/38,081.52 = 15,020.85/x
  3. Step 3: Cross multiply
    27,596.10x = 38,081.52 × 15,020.85
  4. Step 4: Simplify right side
    27,596.10x = 572,016,799.69
  5. Step 5: Solve for x
    x = 572,016,799.69/27,596.10
  6. Step 6: Final answer
    x = 20,728.18

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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.