Home / 26,135.22-39,209.43-11,340.54

Finding the Fourth Proportional to 26,135.22, 39,209.43 and 11,340.54

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Solution

The fourth proportional to 26,135.22, 39,209.43 and 11,340.54 is: 17,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.22 : 39,209.43 = 11,340.54 : x
  2. Step 2: Convert to fraction form
    26,135.22/39,209.43 = 11,340.54/x
  3. Step 3: Cross multiply
    26,135.22x = 39,209.43 × 11,340.54
  4. Step 4: Simplify right side
    26,135.22x = 444,656,109.29
  5. Step 5: Solve for x
    x = 444,656,109.29/26,135.22
  6. Step 6: Final answer
    x = 17,013.67

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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.