Home / 26,180.09-39,273.78-8,411.28

Finding the Fourth Proportional to 26,180.09, 39,273.78 and 8,411.28

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Solution

The fourth proportional to 26,180.09, 39,273.78 and 8,411.28 is: 12,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.09 : 39,273.78 = 8,411.28 : x
  2. Step 2: Convert to fraction form
    26,180.09/39,273.78 = 8,411.28/x
  3. Step 3: Cross multiply
    26,180.09x = 39,273.78 × 8,411.28
  4. Step 4: Simplify right side
    26,180.09x = 330,342,718.18
  5. Step 5: Solve for x
    x = 330,342,718.18/26,180.09
  6. Step 6: Final answer
    x = 12,618.09

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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.