Home / 28,211.25-42,336.33-9,743.25

Finding the Fourth Proportional to 28,211.25, 42,336.33 and 9,743.25

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Solution

The fourth proportional to 28,211.25, 42,336.33 and 9,743.25 is: 14,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.25 : 42,336.33 = 9,743.25 : x
  2. Step 2: Convert to fraction form
    28,211.25/42,336.33 = 9,743.25/x
  3. Step 3: Cross multiply
    28,211.25x = 42,336.33 × 9,743.25
  4. Step 4: Simplify right side
    28,211.25x = 412,493,447.27
  5. Step 5: Solve for x
    x = 412,493,447.27/28,211.25
  6. Step 6: Final answer
    x = 14,621.59

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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.