Home / 27,028.91-37,293.90-15,691.88

Finding the Fourth Proportional to 27,028.91, 37,293.90 and 15,691.88

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Solution

The fourth proportional to 27,028.91, 37,293.90 and 15,691.88 is: 21,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.91 : 37,293.90 = 15,691.88 : x
  2. Step 2: Convert to fraction form
    27,028.91/37,293.90 = 15,691.88/x
  3. Step 3: Cross multiply
    27,028.91x = 37,293.90 × 15,691.88
  4. Step 4: Simplify right side
    27,028.91x = 585,211,403.53
  5. Step 5: Solve for x
    x = 585,211,403.53/27,028.91
  6. Step 6: Final answer
    x = 21,651.31

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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.