Home / 27,640.33-41,466.39-8,921.43

Finding the Fourth Proportional to 27,640.33, 41,466.39 and 8,921.43

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Solution

The fourth proportional to 27,640.33, 41,466.39 and 8,921.43 is: 13,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.33 : 41,466.39 = 8,921.43 : x
  2. Step 2: Convert to fraction form
    27,640.33/41,466.39 = 8,921.43/x
  3. Step 3: Cross multiply
    27,640.33x = 41,466.39 × 8,921.43
  4. Step 4: Simplify right side
    27,640.33x = 369,939,495.74
  5. Step 5: Solve for x
    x = 369,939,495.74/27,640.33
  6. Step 6: Final answer
    x = 13,384.05

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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.