Home / 20,311.08-30,408.30-15,010.44

Finding the Fourth Proportional to 20,311.08, 30,408.30 and 15,010.44

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Solution

The fourth proportional to 20,311.08, 30,408.30 and 15,010.44 is: 22,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,311.08 : 30,408.30 = 15,010.44 : x
  2. Step 2: Convert to fraction form
    20,311.08/30,408.30 = 15,010.44/x
  3. Step 3: Cross multiply
    20,311.08x = 30,408.30 × 15,010.44
  4. Step 4: Simplify right side
    20,311.08x = 456,441,962.65
  5. Step 5: Solve for x
    x = 456,441,962.65/20,311.08
  6. Step 6: Final answer
    x = 22,472.56

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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.