Home / 27,324.12-37,704.62-20,157.94

Finding the Fourth Proportional to 27,324.12, 37,704.62 and 20,157.94

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Solution

The fourth proportional to 27,324.12, 37,704.62 and 20,157.94 is: 27,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.12 : 37,704.62 = 20,157.94 : x
  2. Step 2: Convert to fraction form
    27,324.12/37,704.62 = 20,157.94/x
  3. Step 3: Cross multiply
    27,324.12x = 37,704.62 × 20,157.94
  4. Step 4: Simplify right side
    27,324.12x = 760,047,467.68
  5. Step 5: Solve for x
    x = 760,047,467.68/27,324.12
  6. Step 6: Final answer
    x = 27,815.99

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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.