Home / 28,908.82-43,366.10-7,849.20

Finding the Fourth Proportional to 28,908.82, 43,366.10 and 7,849.20

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Solution

The fourth proportional to 28,908.82, 43,366.10 and 7,849.20 is: 11,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.82 : 43,366.10 = 7,849.20 : x
  2. Step 2: Convert to fraction form
    28,908.82/43,366.10 = 7,849.20/x
  3. Step 3: Cross multiply
    28,908.82x = 43,366.10 × 7,849.20
  4. Step 4: Simplify right side
    28,908.82x = 340,389,192.12
  5. Step 5: Solve for x
    x = 340,389,192.12/28,908.82
  6. Step 6: Final answer
    x = 11,774.58

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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.