Home / 25,380.72-38,073.65-8,738.55

Finding the Fourth Proportional to 25,380.72, 38,073.65 and 8,738.55

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Solution

The fourth proportional to 25,380.72, 38,073.65 and 8,738.55 is: 13,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.72 : 38,073.65 = 8,738.55 : x
  2. Step 2: Convert to fraction form
    25,380.72/38,073.65 = 8,738.55/x
  3. Step 3: Cross multiply
    25,380.72x = 38,073.65 × 8,738.55
  4. Step 4: Simplify right side
    25,380.72x = 332,708,450.51
  5. Step 5: Solve for x
    x = 332,708,450.51/25,380.72
  6. Step 6: Final answer
    x = 13,108.71

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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.