Home / 27,713.52-38,249.34-15,775.23

Finding the Fourth Proportional to 27,713.52, 38,249.34 and 15,775.23

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Solution

The fourth proportional to 27,713.52, 38,249.34 and 15,775.23 is: 21,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.52 : 38,249.34 = 15,775.23 : x
  2. Step 2: Convert to fraction form
    27,713.52/38,249.34 = 15,775.23/x
  3. Step 3: Cross multiply
    27,713.52x = 38,249.34 × 15,775.23
  4. Step 4: Simplify right side
    27,713.52x = 603,392,135.85
  5. Step 5: Solve for x
    x = 603,392,135.85/27,713.52
  6. Step 6: Final answer
    x = 21,772.48

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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.