Home / 20,408.92-30,578.82-16,261.72

Finding the Fourth Proportional to 20,408.92, 30,578.82 and 16,261.72

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Solution

The fourth proportional to 20,408.92, 30,578.82 and 16,261.72 is: 24,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.92 : 30,578.82 = 16,261.72 : x
  2. Step 2: Convert to fraction form
    20,408.92/30,578.82 = 16,261.72/x
  3. Step 3: Cross multiply
    20,408.92x = 30,578.82 × 16,261.72
  4. Step 4: Simplify right side
    20,408.92x = 497,264,208.77
  5. Step 5: Solve for x
    x = 497,264,208.77/20,408.92
  6. Step 6: Final answer
    x = 24,365.04

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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.