Home / 21,989.41-32,906.25-13,673.34

Finding the Fourth Proportional to 21,989.41, 32,906.25 and 13,673.34

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Solution

The fourth proportional to 21,989.41, 32,906.25 and 13,673.34 is: 20,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989.41 : 32,906.25 = 13,673.34 : x
  2. Step 2: Convert to fraction form
    21,989.41/32,906.25 = 13,673.34/x
  3. Step 3: Cross multiply
    21,989.41x = 32,906.25 × 13,673.34
  4. Step 4: Simplify right side
    21,989.41x = 449,938,344.38
  5. Step 5: Solve for x
    x = 449,938,344.38/21,989.41
  6. Step 6: Final answer
    x = 20,461.59

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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.