Home / 21,621.24-32,446.44-8,471.97

Finding the Fourth Proportional to 21,621.24, 32,446.44 and 8,471.97

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Solution

The fourth proportional to 21,621.24, 32,446.44 and 8,471.97 is: 12,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.24 : 32,446.44 = 8,471.97 : x
  2. Step 2: Convert to fraction form
    21,621.24/32,446.44 = 8,471.97/x
  3. Step 3: Cross multiply
    21,621.24x = 32,446.44 × 8,471.97
  4. Step 4: Simplify right side
    21,621.24x = 274,885,266.29
  5. Step 5: Solve for x
    x = 274,885,266.29/21,621.24
  6. Step 6: Final answer
    x = 12,713.67

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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.