Home / 27,317.41-37,694.91-15,380.44

Finding the Fourth Proportional to 27,317.41, 37,694.91 and 15,380.44

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Solution

The fourth proportional to 27,317.41, 37,694.91 and 15,380.44 is: 21,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.41 : 37,694.91 = 15,380.44 : x
  2. Step 2: Convert to fraction form
    27,317.41/37,694.91 = 15,380.44/x
  3. Step 3: Cross multiply
    27,317.41x = 37,694.91 × 15,380.44
  4. Step 4: Simplify right side
    27,317.41x = 579,764,301.56
  5. Step 5: Solve for x
    x = 579,764,301.56/27,317.41
  6. Step 6: Final answer
    x = 21,223.25

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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.