Home / 27,965.66-38,593.42-15,219.66

Finding the Fourth Proportional to 27,965.66, 38,593.42 and 15,219.66

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Solution

The fourth proportional to 27,965.66, 38,593.42 and 15,219.66 is: 21,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.66 : 38,593.42 = 15,219.66 : x
  2. Step 2: Convert to fraction form
    27,965.66/38,593.42 = 15,219.66/x
  3. Step 3: Cross multiply
    27,965.66x = 38,593.42 × 15,219.66
  4. Step 4: Simplify right side
    27,965.66x = 587,378,922.92
  5. Step 5: Solve for x
    x = 587,378,922.92/27,965.66
  6. Step 6: Final answer
    x = 21,003.58

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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.