Home / 28,317.60-42,449.85-9,584.52

Finding the Fourth Proportional to 28,317.60, 42,449.85 and 9,584.52

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Solution

The fourth proportional to 28,317.60, 42,449.85 and 9,584.52 is: 14,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.60 : 42,449.85 = 9,584.52 : x
  2. Step 2: Convert to fraction form
    28,317.60/42,449.85 = 9,584.52/x
  3. Step 3: Cross multiply
    28,317.60x = 42,449.85 × 9,584.52
  4. Step 4: Simplify right side
    28,317.60x = 406,861,388.40
  5. Step 5: Solve for x
    x = 406,861,388.40/28,317.60
  6. Step 6: Final answer
    x = 14,367.79

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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.