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Finding the Fourth Proportional to 28,935.09, 43,400.79 and 9,227.79

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Solution

The fourth proportional to 28,935.09, 43,400.79 and 9,227.79 is: 13,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.09 : 43,400.79 = 9,227.79 : x
  2. Step 2: Convert to fraction form
    28,935.09/43,400.79 = 9,227.79/x
  3. Step 3: Cross multiply
    28,935.09x = 43,400.79 × 9,227.79
  4. Step 4: Simplify right side
    28,935.09x = 400,493,375.95
  5. Step 5: Solve for x
    x = 400,493,375.95/28,935.09
  6. Step 6: Final answer
    x = 13,841.10

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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.