Home / 27,863.55-38,454.39-15,924.60

Finding the Fourth Proportional to 27,863.55, 38,454.39 and 15,924.60

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Solution

The fourth proportional to 27,863.55, 38,454.39 and 15,924.60 is: 21,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.55 : 38,454.39 = 15,924.60 : x
  2. Step 2: Convert to fraction form
    27,863.55/38,454.39 = 15,924.60/x
  3. Step 3: Cross multiply
    27,863.55x = 38,454.39 × 15,924.60
  4. Step 4: Simplify right side
    27,863.55x = 612,370,778.99
  5. Step 5: Solve for x
    x = 612,370,778.99/27,863.55
  6. Step 6: Final answer
    x = 21,977.49

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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.