Home / 28,786.06-43,179.90-8,009.56

Finding the Fourth Proportional to 28,786.06, 43,179.90 and 8,009.56

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Solution

The fourth proportional to 28,786.06, 43,179.90 and 8,009.56 is: 12,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.06 : 43,179.90 = 8,009.56 : x
  2. Step 2: Convert to fraction form
    28,786.06/43,179.90 = 8,009.56/x
  3. Step 3: Cross multiply
    28,786.06x = 43,179.90 × 8,009.56
  4. Step 4: Simplify right side
    28,786.06x = 345,851,999.84
  5. Step 5: Solve for x
    x = 345,851,999.84/28,786.06
  6. Step 6: Final answer
    x = 12,014.57

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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.