Home / 26,999.87-40,478.34-17,697.83

Finding the Fourth Proportional to 26,999.87, 40,478.34 and 17,697.83

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Solution

The fourth proportional to 26,999.87, 40,478.34 and 17,697.83 is: 26,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.87 : 40,478.34 = 17,697.83 : x
  2. Step 2: Convert to fraction form
    26,999.87/40,478.34 = 17,697.83/x
  3. Step 3: Cross multiply
    26,999.87x = 40,478.34 × 17,697.83
  4. Step 4: Simplify right side
    26,999.87x = 716,378,780.00
  5. Step 5: Solve for x
    x = 716,378,780.00/26,999.87
  6. Step 6: Final answer
    x = 26,532.68

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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.