Home / 28,903.25-43,334.96-11,375.09

Finding the Fourth Proportional to 28,903.25, 43,334.96 and 11,375.09

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Solution

The fourth proportional to 28,903.25, 43,334.96 and 11,375.09 is: 17,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.25 : 43,334.96 = 11,375.09 : x
  2. Step 2: Convert to fraction form
    28,903.25/43,334.96 = 11,375.09/x
  3. Step 3: Cross multiply
    28,903.25x = 43,334.96 × 11,375.09
  4. Step 4: Simplify right side
    28,903.25x = 492,939,013.27
  5. Step 5: Solve for x
    x = 492,939,013.27/28,903.25
  6. Step 6: Final answer
    x = 17,054.80

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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.