Home / 26,929.24-40,395.35-8,209.89

Finding the Fourth Proportional to 26,929.24, 40,395.35 and 8,209.89

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Solution

The fourth proportional to 26,929.24, 40,395.35 and 8,209.89 is: 12,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.24 : 40,395.35 = 8,209.89 : x
  2. Step 2: Convert to fraction form
    26,929.24/40,395.35 = 8,209.89/x
  3. Step 3: Cross multiply
    26,929.24x = 40,395.35 × 8,209.89
  4. Step 4: Simplify right side
    26,929.24x = 331,641,400.54
  5. Step 5: Solve for x
    x = 331,641,400.54/26,929.24
  6. Step 6: Final answer
    x = 12,315.29

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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.