Home / 27,963.08-38,589.22-15,216.36

Finding the Fourth Proportional to 27,963.08, 38,589.22 and 15,216.36

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Solution

The fourth proportional to 27,963.08, 38,589.22 and 15,216.36 is: 20,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.08 : 38,589.22 = 15,216.36 : x
  2. Step 2: Convert to fraction form
    27,963.08/38,589.22 = 15,216.36/x
  3. Step 3: Cross multiply
    27,963.08x = 38,589.22 × 15,216.36
  4. Step 4: Simplify right side
    27,963.08x = 587,187,425.60
  5. Step 5: Solve for x
    x = 587,187,425.60/27,963.08
  6. Step 6: Final answer
    x = 20,998.67

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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.