Home / 26,756.68-36,922.60-15,709.36

Finding the Fourth Proportional to 26,756.68, 36,922.60 and 15,709.36

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Solution

The fourth proportional to 26,756.68, 36,922.60 and 15,709.36 is: 21,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.68 : 36,922.60 = 15,709.36 : x
  2. Step 2: Convert to fraction form
    26,756.68/36,922.60 = 15,709.36/x
  3. Step 3: Cross multiply
    26,756.68x = 36,922.60 × 15,709.36
  4. Step 4: Simplify right side
    26,756.68x = 580,030,415.54
  5. Step 5: Solve for x
    x = 580,030,415.54/26,756.68
  6. Step 6: Final answer
    x = 21,677.97

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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.