Home / 21,440.62-32,147.96-14,494.06

Finding the Fourth Proportional to 21,440.62, 32,147.96 and 14,494.06

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Solution

The fourth proportional to 21,440.62, 32,147.96 and 14,494.06 is: 21,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.62 : 32,147.96 = 14,494.06 : x
  2. Step 2: Convert to fraction form
    21,440.62/32,147.96 = 14,494.06/x
  3. Step 3: Cross multiply
    21,440.62x = 32,147.96 × 14,494.06
  4. Step 4: Simplify right side
    21,440.62x = 465,954,461.12
  5. Step 5: Solve for x
    x = 465,954,461.12/21,440.62
  6. Step 6: Final answer
    x = 21,732.32

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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.