Home / 20,732.22-31,086.36-14,166.36

Finding the Fourth Proportional to 20,732.22, 31,086.36 and 14,166.36

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Solution

The fourth proportional to 20,732.22, 31,086.36 and 14,166.36 is: 21,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.22 : 31,086.36 = 14,166.36 : x
  2. Step 2: Convert to fraction form
    20,732.22/31,086.36 = 14,166.36/x
  3. Step 3: Cross multiply
    20,732.22x = 31,086.36 × 14,166.36
  4. Step 4: Simplify right side
    20,732.22x = 440,380,566.85
  5. Step 5: Solve for x
    x = 440,380,566.85/20,732.22
  6. Step 6: Final answer
    x = 21,241.36

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1.5x scale

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.