Home / 21,770.44-32,650.36-10,072.48

Finding the Fourth Proportional to 21,770.44, 32,650.36 and 10,072.48

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Solution

The fourth proportional to 21,770.44, 32,650.36 and 10,072.48 is: 15,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.44 : 32,650.36 = 10,072.48 : x
  2. Step 2: Convert to fraction form
    21,770.44/32,650.36 = 10,072.48/x
  3. Step 3: Cross multiply
    21,770.44x = 32,650.36 × 10,072.48
  4. Step 4: Simplify right side
    21,770.44x = 328,870,098.09
  5. Step 5: Solve for x
    x = 328,870,098.09/21,770.44
  6. Step 6: Final answer
    x = 15,106.27

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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.