Home / 27,150.03-37,489.86-20,423.97

Finding the Fourth Proportional to 27,150.03, 37,489.86 and 20,423.97

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Solution

The fourth proportional to 27,150.03, 37,489.86 and 20,423.97 is: 28,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.03 : 37,489.86 = 20,423.97 : x
  2. Step 2: Convert to fraction form
    27,150.03/37,489.86 = 20,423.97/x
  3. Step 3: Cross multiply
    27,150.03x = 37,489.86 × 20,423.97
  4. Step 4: Simplify right side
    27,150.03x = 765,691,775.94
  5. Step 5: Solve for x
    x = 765,691,775.94/27,150.03
  6. Step 6: Final answer
    x = 28,202.24

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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.