Home / 27,829.56-38,404.92-15,082.76

Finding the Fourth Proportional to 27,829.56, 38,404.92 and 15,082.76

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Solution

The fourth proportional to 27,829.56, 38,404.92 and 15,082.76 is: 20,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.56 : 38,404.92 = 15,082.76 : x
  2. Step 2: Convert to fraction form
    27,829.56/38,404.92 = 15,082.76/x
  3. Step 3: Cross multiply
    27,829.56x = 38,404.92 × 15,082.76
  4. Step 4: Simplify right side
    27,829.56x = 579,252,191.18
  5. Step 5: Solve for x
    x = 579,252,191.18/27,829.56
  6. Step 6: Final answer
    x = 20,814.28

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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.