Home / 28,850.16-43,270.92-9,126.16

Finding the Fourth Proportional to 28,850.16, 43,270.92 and 9,126.16

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Solution

The fourth proportional to 28,850.16, 43,270.92 and 9,126.16 is: 13,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.16 : 43,270.92 = 9,126.16 : x
  2. Step 2: Convert to fraction form
    28,850.16/43,270.92 = 9,126.16/x
  3. Step 3: Cross multiply
    28,850.16x = 43,270.92 × 9,126.16
  4. Step 4: Simplify right side
    28,850.16x = 394,897,339.27
  5. Step 5: Solve for x
    x = 394,897,339.27/28,850.16
  6. Step 6: Final answer
    x = 13,687.87

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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.