Home / 28,849.33-43,275.57-9,126.42

Finding the Fourth Proportional to 28,849.33, 43,275.57 and 9,126.42

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Solution

The fourth proportional to 28,849.33, 43,275.57 and 9,126.42 is: 13,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.33 : 43,275.57 = 9,126.42 : x
  2. Step 2: Convert to fraction form
    28,849.33/43,275.57 = 9,126.42/x
  3. Step 3: Cross multiply
    28,849.33x = 43,275.57 × 9,126.42
  4. Step 4: Simplify right side
    28,849.33x = 394,951,027.56
  5. Step 5: Solve for x
    x = 394,951,027.56/28,849.33
  6. Step 6: Final answer
    x = 13,690.13

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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.