Home / 28,211.26-38,930.03-16,273.88

Finding the Fourth Proportional to 28,211.26, 38,930.03 and 16,273.88

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Solution

The fourth proportional to 28,211.26, 38,930.03 and 16,273.88 is: 22,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.26 : 38,930.03 = 16,273.88 : x
  2. Step 2: Convert to fraction form
    28,211.26/38,930.03 = 16,273.88/x
  3. Step 3: Cross multiply
    28,211.26x = 38,930.03 × 16,273.88
  4. Step 4: Simplify right side
    28,211.26x = 633,542,636.62
  5. Step 5: Solve for x
    x = 633,542,636.62/28,211.26
  6. Step 6: Final answer
    x = 22,457.08

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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.