Home / 27,257.85-37,616.19-15,320.49

Finding the Fourth Proportional to 27,257.85, 37,616.19 and 15,320.49

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Solution

The fourth proportional to 27,257.85, 37,616.19 and 15,320.49 is: 21,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.85 : 37,616.19 = 15,320.49 : x
  2. Step 2: Convert to fraction form
    27,257.85/37,616.19 = 15,320.49/x
  3. Step 3: Cross multiply
    27,257.85x = 37,616.19 × 15,320.49
  4. Step 4: Simplify right side
    27,257.85x = 576,298,462.73
  5. Step 5: Solve for x
    x = 576,298,462.73/27,257.85
  6. Step 6: Final answer
    x = 21,142.48

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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.