Home / 26,525.90-39,764.11-18,209.83

Finding the Fourth Proportional to 26,525.90, 39,764.11 and 18,209.83

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Solution

The fourth proportional to 26,525.90, 39,764.11 and 18,209.83 is: 27,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,525.90 : 39,764.11 = 18,209.83 : x
  2. Step 2: Convert to fraction form
    26,525.90/39,764.11 = 18,209.83/x
  3. Step 3: Cross multiply
    26,525.90x = 39,764.11 × 18,209.83
  4. Step 4: Simplify right side
    26,525.90x = 724,097,538.27
  5. Step 5: Solve for x
    x = 724,097,538.27/26,525.90
  6. Step 6: Final answer
    x = 27,297.76

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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.