Home / 28,976.61-43,462.75-9,257.25

Finding the Fourth Proportional to 28,976.61, 43,462.75 and 9,257.25

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Solution

The fourth proportional to 28,976.61, 43,462.75 and 9,257.25 is: 13,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.61 : 43,462.75 = 9,257.25 : x
  2. Step 2: Convert to fraction form
    28,976.61/43,462.75 = 9,257.25/x
  3. Step 3: Cross multiply
    28,976.61x = 43,462.75 × 9,257.25
  4. Step 4: Simplify right side
    28,976.61x = 402,345,542.44
  5. Step 5: Solve for x
    x = 402,345,542.44/28,976.61
  6. Step 6: Final answer
    x = 13,885.18

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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.