Home / 23,021.37-31,738.91-15,049.89

Finding the Fourth Proportional to 23,021.37, 31,738.91 and 15,049.89

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Solution

The fourth proportional to 23,021.37, 31,738.91 and 15,049.89 is: 20,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.37 : 31,738.91 = 15,049.89 : x
  2. Step 2: Convert to fraction form
    23,021.37/31,738.91 = 15,049.89/x
  3. Step 3: Cross multiply
    23,021.37x = 31,738.91 × 15,049.89
  4. Step 4: Simplify right side
    23,021.37x = 477,667,028.97
  5. Step 5: Solve for x
    x = 477,667,028.97/23,021.37
  6. Step 6: Final answer
    x = 20,748.85

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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.