Home / 21,372.91-32,052.76-8,047.82

Finding the Fourth Proportional to 21,372.91, 32,052.76 and 8,047.82

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Solution

The fourth proportional to 21,372.91, 32,052.76 and 8,047.82 is: 12,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.91 : 32,052.76 = 8,047.82 : x
  2. Step 2: Convert to fraction form
    21,372.91/32,052.76 = 8,047.82/x
  3. Step 3: Cross multiply
    21,372.91x = 32,052.76 × 8,047.82
  4. Step 4: Simplify right side
    21,372.91x = 257,954,813.04
  5. Step 5: Solve for x
    x = 257,954,813.04/21,372.91
  6. Step 6: Final answer
    x = 12,069.24

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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.