Home / 28,285.48-42,433.66-9,568.52

Finding the Fourth Proportional to 28,285.48, 42,433.66 and 9,568.52

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Solution

The fourth proportional to 28,285.48, 42,433.66 and 9,568.52 is: 14,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.48 : 42,433.66 = 9,568.52 : x
  2. Step 2: Convert to fraction form
    28,285.48/42,433.66 = 9,568.52/x
  3. Step 3: Cross multiply
    28,285.48x = 42,433.66 × 9,568.52
  4. Step 4: Simplify right side
    28,285.48x = 406,027,229.48
  5. Step 5: Solve for x
    x = 406,027,229.48/28,285.48
  6. Step 6: Final answer
    x = 14,354.62

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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.