Home / 28,199.90-42,304.73-9,481.73

Finding the Fourth Proportional to 28,199.90, 42,304.73 and 9,481.73

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Solution

The fourth proportional to 28,199.90, 42,304.73 and 9,481.73 is: 14,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.90 : 42,304.73 = 9,481.73 : x
  2. Step 2: Convert to fraction form
    28,199.90/42,304.73 = 9,481.73/x
  3. Step 3: Cross multiply
    28,199.90x = 42,304.73 × 9,481.73
  4. Step 4: Simplify right side
    28,199.90x = 401,121,768.65
  5. Step 5: Solve for x
    x = 401,121,768.65/28,199.90
  6. Step 6: Final answer
    x = 14,224.23

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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.