Home / 27,595.88-38,082.12-15,020.63

Finding the Fourth Proportional to 27,595.88, 38,082.12 and 15,020.63

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Solution

The fourth proportional to 27,595.88, 38,082.12 and 15,020.63 is: 20,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.88 : 38,082.12 = 15,020.63 : x
  2. Step 2: Convert to fraction form
    27,595.88/38,082.12 = 15,020.63/x
  3. Step 3: Cross multiply
    27,595.88x = 38,082.12 × 15,020.63
  4. Step 4: Simplify right side
    27,595.88x = 572,017,434.14
  5. Step 5: Solve for x
    x = 572,017,434.14/27,595.88
  6. Step 6: Final answer
    x = 20,728.36

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Double scale
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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.