Home / 28,743.72-43,115.58-7,967.22

Finding the Fourth Proportional to 28,743.72, 43,115.58 and 7,967.22

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Solution

The fourth proportional to 28,743.72, 43,115.58 and 7,967.22 is: 11,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.72 : 43,115.58 = 7,967.22 : x
  2. Step 2: Convert to fraction form
    28,743.72/43,115.58 = 7,967.22/x
  3. Step 3: Cross multiply
    28,743.72x = 43,115.58 × 7,967.22
  4. Step 4: Simplify right side
    28,743.72x = 343,511,311.29
  5. Step 5: Solve for x
    x = 343,511,311.29/28,743.72
  6. Step 6: Final answer
    x = 11,950.83

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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.