Home / 27,929.53-38,543.41-15,183.44

Finding the Fourth Proportional to 27,929.53, 38,543.41 and 15,183.44

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Solution

The fourth proportional to 27,929.53, 38,543.41 and 15,183.44 is: 20,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.53 : 38,543.41 = 15,183.44 : x
  2. Step 2: Convert to fraction form
    27,929.53/38,543.41 = 15,183.44/x
  3. Step 3: Cross multiply
    27,929.53x = 38,543.41 × 15,183.44
  4. Step 4: Simplify right side
    27,929.53x = 585,221,553.13
  5. Step 5: Solve for x
    x = 585,221,553.13/27,929.53
  6. Step 6: Final answer
    x = 20,953.51

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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.