Home / 27,924.57-38,536.12-15,177.75

Finding the Fourth Proportional to 27,924.57, 38,536.12 and 15,177.75

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Solution

The fourth proportional to 27,924.57, 38,536.12 and 15,177.75 is: 20,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.57 : 38,536.12 = 15,177.75 : x
  2. Step 2: Convert to fraction form
    27,924.57/38,536.12 = 15,177.75/x
  3. Step 3: Cross multiply
    27,924.57x = 38,536.12 × 15,177.75
  4. Step 4: Simplify right side
    27,924.57x = 584,891,595.33
  5. Step 5: Solve for x
    x = 584,891,595.33/27,924.57
  6. Step 6: Final answer
    x = 20,945.41

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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.