Home / 25,650.72-38,469.60-13,163.76

Finding the Fourth Proportional to 25,650.72, 38,469.60 and 13,163.76

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Solution

The fourth proportional to 25,650.72, 38,469.60 and 13,163.76 is: 19,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.72 : 38,469.60 = 13,163.76 : x
  2. Step 2: Convert to fraction form
    25,650.72/38,469.60 = 13,163.76/x
  3. Step 3: Cross multiply
    25,650.72x = 38,469.60 × 13,163.76
  4. Step 4: Simplify right side
    25,650.72x = 506,404,581.70
  5. Step 5: Solve for x
    x = 506,404,581.70/25,650.72
  6. Step 6: Final answer
    x = 19,742.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.