Home / 20,741.18-28,624.52-11,791.49

Finding the Fourth Proportional to 20,741.18, 28,624.52 and 11,791.49

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Solution

The fourth proportional to 20,741.18, 28,624.52 and 11,791.49 is: 16,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.18 : 28,624.52 = 11,791.49 : x
  2. Step 2: Convert to fraction form
    20,741.18/28,624.52 = 11,791.49/x
  3. Step 3: Cross multiply
    20,741.18x = 28,624.52 × 11,791.49
  4. Step 4: Simplify right side
    20,741.18x = 337,525,627.69
  5. Step 5: Solve for x
    x = 337,525,627.69/20,741.18
  6. Step 6: Final answer
    x = 16,273.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.