Home / 21,914.22-32,879.52-11,377.67

Finding the Fourth Proportional to 21,914.22, 32,879.52 and 11,377.67

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Solution

The fourth proportional to 21,914.22, 32,879.52 and 11,377.67 is: 17,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.22 : 32,879.52 = 11,377.67 : x
  2. Step 2: Convert to fraction form
    21,914.22/32,879.52 = 11,377.67/x
  3. Step 3: Cross multiply
    21,914.22x = 32,879.52 × 11,377.67
  4. Step 4: Simplify right side
    21,914.22x = 374,092,163.92
  5. Step 5: Solve for x
    x = 374,092,163.92/21,914.22
  6. Step 6: Final answer
    x = 17,070.75

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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.