Home / 27,272.28-40,878.96-13,202.58

Finding the Fourth Proportional to 27,272.28, 40,878.96 and 13,202.58

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Solution

The fourth proportional to 27,272.28, 40,878.96 and 13,202.58 is: 19,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.28 : 40,878.96 = 13,202.58 : x
  2. Step 2: Convert to fraction form
    27,272.28/40,878.96 = 13,202.58/x
  3. Step 3: Cross multiply
    27,272.28x = 40,878.96 × 13,202.58
  4. Step 4: Simplify right side
    27,272.28x = 539,707,739.72
  5. Step 5: Solve for x
    x = 539,707,739.72/27,272.28
  6. Step 6: Final answer
    x = 19,789.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.