Home / 27,768.42-41,553.72-20,354.49

Finding the Fourth Proportional to 27,768.42, 41,553.72 and 20,354.49

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Solution

The fourth proportional to 27,768.42, 41,553.72 and 20,354.49 is: 30,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.42 : 41,553.72 = 20,354.49 : x
  2. Step 2: Convert to fraction form
    27,768.42/41,553.72 = 20,354.49/x
  3. Step 3: Cross multiply
    27,768.42x = 41,553.72 × 20,354.49
  4. Step 4: Simplify right side
    27,768.42x = 845,804,778.20
  5. Step 5: Solve for x
    x = 845,804,778.20/27,768.42
  6. Step 6: Final answer
    x = 30,459.23

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1.5x scale

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.