Home / 27,161.91-40,805.22-19,175.04

Finding the Fourth Proportional to 27,161.91, 40,805.22 and 19,175.04

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Solution

The fourth proportional to 27,161.91, 40,805.22 and 19,175.04 is: 28,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.91 : 40,805.22 = 19,175.04 : x
  2. Step 2: Convert to fraction form
    27,161.91/40,805.22 = 19,175.04/x
  3. Step 3: Cross multiply
    27,161.91x = 40,805.22 × 19,175.04
  4. Step 4: Simplify right side
    27,161.91x = 782,441,725.71
  5. Step 5: Solve for x
    x = 782,441,725.71/27,161.91
  6. Step 6: Final answer
    x = 28,806.58

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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.