Home / 26,736.48-40,104.54-20,898

Finding the Fourth Proportional to 26,736.48, 40,104.54 and 20,898

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Solution

The fourth proportional to 26,736.48, 40,104.54 and 20,898 is: 31,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.48 : 40,104.54 = 20,898 : x
  2. Step 2: Convert to fraction form
    26,736.48/40,104.54 = 20,898/x
  3. Step 3: Cross multiply
    26,736.48x = 40,104.54 × 20,898
  4. Step 4: Simplify right side
    26,736.48x = 838,104,676.92
  5. Step 5: Solve for x
    x = 838,104,676.92/26,736.48
  6. Step 6: Final answer
    x = 31,346.86

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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.