Home / 27,596.05-38,082.56-15,020.80

Finding the Fourth Proportional to 27,596.05, 38,082.56 and 15,020.80

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Solution

The fourth proportional to 27,596.05, 38,082.56 and 15,020.80 is: 20,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,596.05 : 38,082.56 = 15,020.80 : x
  2. Step 2: Convert to fraction form
    27,596.05/38,082.56 = 15,020.80/x
  3. Step 3: Cross multiply
    27,596.05x = 38,082.56 × 15,020.80
  4. Step 4: Simplify right side
    27,596.05x = 572,030,517.25
  5. Step 5: Solve for x
    x = 572,030,517.25/27,596.05
  6. Step 6: Final answer
    x = 20,728.71

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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.