Home / 27,863.37-38,453.85-15,290.55

Finding the Fourth Proportional to 27,863.37, 38,453.85 and 15,290.55

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Solution

The fourth proportional to 27,863.37, 38,453.85 and 15,290.55 is: 21,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.37 : 38,453.85 = 15,290.55 : x
  2. Step 2: Convert to fraction form
    27,863.37/38,453.85 = 15,290.55/x
  3. Step 3: Cross multiply
    27,863.37x = 38,453.85 × 15,290.55
  4. Step 4: Simplify right side
    27,863.37x = 587,980,516.12
  5. Step 5: Solve for x
    x = 587,980,516.12/27,863.37
  6. Step 6: Final answer
    x = 21,102.28

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Similar ratio
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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.