Home / 27,702.12-41,493.49-18,768.43

Finding the Fourth Proportional to 27,702.12, 41,493.49 and 18,768.43

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Solution

The fourth proportional to 27,702.12, 41,493.49 and 18,768.43 is: 28,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.12 : 41,493.49 = 18,768.43 : x
  2. Step 2: Convert to fraction form
    27,702.12/41,493.49 = 18,768.43/x
  3. Step 3: Cross multiply
    27,702.12x = 41,493.49 × 18,768.43
  4. Step 4: Simplify right side
    27,702.12x = 778,767,916.13
  5. Step 5: Solve for x
    x = 778,767,916.13/27,702.12
  6. Step 6: Final answer
    x = 28,112.22

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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.