Home / 26,406.20-36,437.09-15,791.96

Finding the Fourth Proportional to 26,406.20, 36,437.09 and 15,791.96

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Solution

The fourth proportional to 26,406.20, 36,437.09 and 15,791.96 is: 21,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.20 : 36,437.09 = 15,791.96 : x
  2. Step 2: Convert to fraction form
    26,406.20/36,437.09 = 15,791.96/x
  3. Step 3: Cross multiply
    26,406.20x = 36,437.09 × 15,791.96
  4. Step 4: Simplify right side
    26,406.20x = 575,412,988.84
  5. Step 5: Solve for x
    x = 575,412,988.84/26,406.20
  6. Step 6: Final answer
    x = 21,790.83

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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.