Home / 27,863.31-38,418.44-22,808.91

Finding the Fourth Proportional to 27,863.31, 38,418.44 and 22,808.91

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Solution

The fourth proportional to 27,863.31, 38,418.44 and 22,808.91 is: 31,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.31 : 38,418.44 = 22,808.91 : x
  2. Step 2: Convert to fraction form
    27,863.31/38,418.44 = 22,808.91/x
  3. Step 3: Cross multiply
    27,863.31x = 38,418.44 × 22,808.91
  4. Step 4: Simplify right side
    27,863.31x = 876,282,740.30
  5. Step 5: Solve for x
    x = 876,282,740.30/27,863.31
  6. Step 6: Final answer
    x = 31,449.34

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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.