Home / 28,829.88-43,231.38-14,975.16

Finding the Fourth Proportional to 28,829.88, 43,231.38 and 14,975.16

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Solution

The fourth proportional to 28,829.88, 43,231.38 and 14,975.16 is: 22,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.88 : 43,231.38 = 14,975.16 : x
  2. Step 2: Convert to fraction form
    28,829.88/43,231.38 = 14,975.16/x
  3. Step 3: Cross multiply
    28,829.88x = 43,231.38 × 14,975.16
  4. Step 4: Simplify right side
    28,829.88x = 647,396,832.52
  5. Step 5: Solve for x
    x = 647,396,832.52/28,829.88
  6. Step 6: Final answer
    x = 22,455.76

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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.