Home / 27,328.21-37,713.41-15,391.97

Finding the Fourth Proportional to 27,328.21, 37,713.41 and 15,391.97

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Solution

The fourth proportional to 27,328.21, 37,713.41 and 15,391.97 is: 21,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.21 : 37,713.41 = 15,391.97 : x
  2. Step 2: Convert to fraction form
    27,328.21/37,713.41 = 15,391.97/x
  3. Step 3: Cross multiply
    27,328.21x = 37,713.41 × 15,391.97
  4. Step 4: Simplify right side
    27,328.21x = 580,483,907.65
  5. Step 5: Solve for x
    x = 580,483,907.65/27,328.21
  6. Step 6: Final answer
    x = 21,241.20

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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.