Home / 20,267.20-30,352.20-16,379.20

Finding the Fourth Proportional to 20,267.20, 30,352.20 and 16,379.20

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Solution

The fourth proportional to 20,267.20, 30,352.20 and 16,379.20 is: 24,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.20 : 30,352.20 = 16,379.20 : x
  2. Step 2: Convert to fraction form
    20,267.20/30,352.20 = 16,379.20/x
  3. Step 3: Cross multiply
    20,267.20x = 30,352.20 × 16,379.20
  4. Step 4: Simplify right side
    20,267.20x = 497,144,754.24
  5. Step 5: Solve for x
    x = 497,144,754.24/20,267.20
  6. Step 6: Final answer
    x = 24,529.52

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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.