Home / 27,612.54-38,105.28-15,037.38

Finding the Fourth Proportional to 27,612.54, 38,105.28 and 15,037.38

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Solution

The fourth proportional to 27,612.54, 38,105.28 and 15,037.38 is: 20,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.54 : 38,105.28 = 15,037.38 : x
  2. Step 2: Convert to fraction form
    27,612.54/38,105.28 = 15,037.38/x
  3. Step 3: Cross multiply
    27,612.54x = 38,105.28 × 15,037.38
  4. Step 4: Simplify right side
    27,612.54x = 573,003,575.37
  5. Step 5: Solve for x
    x = 573,003,575.37/27,612.54
  6. Step 6: Final answer
    x = 20,751.57

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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.