Home / 28,705.26-43,017.79-13,910.25

Finding the Fourth Proportional to 28,705.26, 43,017.79 and 13,910.25

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Solution

The fourth proportional to 28,705.26, 43,017.79 and 13,910.25 is: 20,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.26 : 43,017.79 = 13,910.25 : x
  2. Step 2: Convert to fraction form
    28,705.26/43,017.79 = 13,910.25/x
  3. Step 3: Cross multiply
    28,705.26x = 43,017.79 × 13,910.25
  4. Step 4: Simplify right side
    28,705.26x = 598,388,213.35
  5. Step 5: Solve for x
    x = 598,388,213.35/28,705.26
  6. Step 6: Final answer
    x = 20,845.94

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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.