Home / 23,821.11-35,731.80-7,181.28

Finding the Fourth Proportional to 23,821.11, 35,731.80 and 7,181.28

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Solution

The fourth proportional to 23,821.11, 35,731.80 and 7,181.28 is: 10,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.11 : 35,731.80 = 7,181.28 : x
  2. Step 2: Convert to fraction form
    23,821.11/35,731.80 = 7,181.28/x
  3. Step 3: Cross multiply
    23,821.11x = 35,731.80 × 7,181.28
  4. Step 4: Simplify right side
    23,821.11x = 256,600,060.70
  5. Step 5: Solve for x
    x = 256,600,060.70/23,821.11
  6. Step 6: Final answer
    x = 10,771.96

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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.