Home / 27,650.24-38,157.33-15,713.60

Finding the Fourth Proportional to 27,650.24, 38,157.33 and 15,713.60

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Solution

The fourth proportional to 27,650.24, 38,157.33 and 15,713.60 is: 21,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.24 : 38,157.33 = 15,713.60 : x
  2. Step 2: Convert to fraction form
    27,650.24/38,157.33 = 15,713.60/x
  3. Step 3: Cross multiply
    27,650.24x = 38,157.33 × 15,713.60
  4. Step 4: Simplify right side
    27,650.24x = 599,589,020.69
  5. Step 5: Solve for x
    x = 599,589,020.69/27,650.24
  6. Step 6: Final answer
    x = 21,684.77

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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.