Home / 21,910.96-32,868.24-6,328.72

Finding the Fourth Proportional to 21,910.96, 32,868.24 and 6,328.72

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Solution

The fourth proportional to 21,910.96, 32,868.24 and 6,328.72 is: 9,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.96 : 32,868.24 = 6,328.72 : x
  2. Step 2: Convert to fraction form
    21,910.96/32,868.24 = 6,328.72/x
  3. Step 3: Cross multiply
    21,910.96x = 32,868.24 × 6,328.72
  4. Step 4: Simplify right side
    21,910.96x = 208,013,887.85
  5. Step 5: Solve for x
    x = 208,013,887.85/21,910.96
  6. Step 6: Final answer
    x = 9,493.60

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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.