Home / 25,467.68-35,138.22-16,515.56

Finding the Fourth Proportional to 25,467.68, 35,138.22 and 16,515.56

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Solution

The fourth proportional to 25,467.68, 35,138.22 and 16,515.56 is: 22,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,467.68 : 35,138.22 = 16,515.56 : x
  2. Step 2: Convert to fraction form
    25,467.68/35,138.22 = 16,515.56/x
  3. Step 3: Cross multiply
    25,467.68x = 35,138.22 × 16,515.56
  4. Step 4: Simplify right side
    25,467.68x = 580,327,380.70
  5. Step 5: Solve for x
    x = 580,327,380.70/25,467.68
  6. Step 6: Final answer
    x = 22,786.82

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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.