Home / 27,595.68-38,082.72-15,021.12

Finding the Fourth Proportional to 27,595.68, 38,082.72 and 15,021.12

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Solution

The fourth proportional to 27,595.68, 38,082.72 and 15,021.12 is: 20,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.68 : 38,082.72 = 15,021.12 : x
  2. Step 2: Convert to fraction form
    27,595.68/38,082.72 = 15,021.12/x
  3. Step 3: Cross multiply
    27,595.68x = 38,082.72 × 15,021.12
  4. Step 4: Simplify right side
    27,595.68x = 572,045,107.05
  5. Step 5: Solve for x
    x = 572,045,107.05/27,595.68
  6. Step 6: Final answer
    x = 20,729.52

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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.