Home / 28,208.46-42,313.43-9,488.82

Finding the Fourth Proportional to 28,208.46, 42,313.43 and 9,488.82

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Solution

The fourth proportional to 28,208.46, 42,313.43 and 9,488.82 is: 14,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.46 : 42,313.43 = 9,488.82 : x
  2. Step 2: Convert to fraction form
    28,208.46/42,313.43 = 9,488.82/x
  3. Step 3: Cross multiply
    28,208.46x = 42,313.43 × 9,488.82
  4. Step 4: Simplify right side
    28,208.46x = 401,504,520.85
  5. Step 5: Solve for x
    x = 401,504,520.85/28,208.46
  6. Step 6: Final answer
    x = 14,233.48

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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.