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Finding the Fourth Proportional to 21,503.22, 32,267.10 and 8,353.88

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Solution

The fourth proportional to 21,503.22, 32,267.10 and 8,353.88 is: 12,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.22 : 32,267.10 = 8,353.88 : x
  2. Step 2: Convert to fraction form
    21,503.22/32,267.10 = 8,353.88/x
  3. Step 3: Cross multiply
    21,503.22x = 32,267.10 × 8,353.88
  4. Step 4: Simplify right side
    21,503.22x = 269,555,481.35
  5. Step 5: Solve for x
    x = 269,555,481.35/21,503.22
  6. Step 6: Final answer
    x = 12,535.59

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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.