Home / 27,878.58-38,479.82-17,262.18

Finding the Fourth Proportional to 27,878.58, 38,479.82 and 17,262.18

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Solution

The fourth proportional to 27,878.58, 38,479.82 and 17,262.18 is: 23,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.58 : 38,479.82 = 17,262.18 : x
  2. Step 2: Convert to fraction form
    27,878.58/38,479.82 = 17,262.18/x
  3. Step 3: Cross multiply
    27,878.58x = 38,479.82 × 17,262.18
  4. Step 4: Simplify right side
    27,878.58x = 664,245,492.90
  5. Step 5: Solve for x
    x = 664,245,492.90/27,878.58
  6. Step 6: Final answer
    x = 23,826.37

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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.