Home / 21,631-32,450.01-8,476.24

Finding the Fourth Proportional to 21,631, 32,450.01 and 8,476.24

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Solution

The fourth proportional to 21,631, 32,450.01 and 8,476.24 is: 12,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631 : 32,450.01 = 8,476.24 : x
  2. Step 2: Convert to fraction form
    21,631/32,450.01 = 8,476.24/x
  3. Step 3: Cross multiply
    21,631x = 32,450.01 × 8,476.24
  4. Step 4: Simplify right side
    21,631x = 275,054,072.76
  5. Step 5: Solve for x
    x = 275,054,072.76/21,631
  6. Step 6: Final answer
    x = 12,715.74

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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.