Home / 27,026.91-37,291.14-15,689.88

Finding the Fourth Proportional to 27,026.91, 37,291.14 and 15,689.88

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Solution

The fourth proportional to 27,026.91, 37,291.14 and 15,689.88 is: 21,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.91 : 37,291.14 = 15,689.88 : x
  2. Step 2: Convert to fraction form
    27,026.91/37,291.14 = 15,689.88/x
  3. Step 3: Cross multiply
    27,026.91x = 37,291.14 × 15,689.88
  4. Step 4: Simplify right side
    27,026.91x = 585,093,511.66
  5. Step 5: Solve for x
    x = 585,093,511.66/27,026.91
  6. Step 6: Final answer
    x = 21,648.55

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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.