Home / 23,855.85-32,919.84-13,245.21

Finding the Fourth Proportional to 23,855.85, 32,919.84 and 13,245.21

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Solution

The fourth proportional to 23,855.85, 32,919.84 and 13,245.21 is: 18,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.85 : 32,919.84 = 13,245.21 : x
  2. Step 2: Convert to fraction form
    23,855.85/32,919.84 = 13,245.21/x
  3. Step 3: Cross multiply
    23,855.85x = 32,919.84 × 13,245.21
  4. Step 4: Simplify right side
    23,855.85x = 436,030,193.97
  5. Step 5: Solve for x
    x = 436,030,193.97/23,855.85
  6. Step 6: Final answer
    x = 18,277.71

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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.