Home / 20,701.41-28,567.95-11,269.97

Finding the Fourth Proportional to 20,701.41, 28,567.95 and 11,269.97

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Solution

The fourth proportional to 20,701.41, 28,567.95 and 11,269.97 is: 15,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.41 : 28,567.95 = 11,269.97 : x
  2. Step 2: Convert to fraction form
    20,701.41/28,567.95 = 11,269.97/x
  3. Step 3: Cross multiply
    20,701.41x = 28,567.95 × 11,269.97
  4. Step 4: Simplify right side
    20,701.41x = 321,959,861.49
  5. Step 5: Solve for x
    x = 321,959,861.49/20,701.41
  6. Step 6: Final answer
    x = 15,552.56

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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.