Home / 26,608.50-36,720-15,998.31

Finding the Fourth Proportional to 26,608.50, 36,720 and 15,998.31

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Solution

The fourth proportional to 26,608.50, 36,720 and 15,998.31 is: 22,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.50 : 36,720 = 15,998.31 : x
  2. Step 2: Convert to fraction form
    26,608.50/36,720 = 15,998.31/x
  3. Step 3: Cross multiply
    26,608.50x = 36,720 × 15,998.31
  4. Step 4: Simplify right side
    26,608.50x = 587,457,943.20
  5. Step 5: Solve for x
    x = 587,457,943.20/26,608.50
  6. Step 6: Final answer
    x = 22,077.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.