Home / 27,093.80-40,640.43-7,372.19

Finding the Fourth Proportional to 27,093.80, 40,640.43 and 7,372.19

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Solution

The fourth proportional to 27,093.80, 40,640.43 and 7,372.19 is: 11,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.80 : 40,640.43 = 7,372.19 : x
  2. Step 2: Convert to fraction form
    27,093.80/40,640.43 = 7,372.19/x
  3. Step 3: Cross multiply
    27,093.80x = 40,640.43 × 7,372.19
  4. Step 4: Simplify right side
    27,093.80x = 299,608,971.64
  5. Step 5: Solve for x
    x = 299,608,971.64/27,093.80
  6. Step 6: Final answer
    x = 11,058.21

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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.