Home / 27,629.65-41,444.43-12,830.47

Finding the Fourth Proportional to 27,629.65, 41,444.43 and 12,830.47

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Solution

The fourth proportional to 27,629.65, 41,444.43 and 12,830.47 is: 19,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.65 : 41,444.43 = 12,830.47 : x
  2. Step 2: Convert to fraction form
    27,629.65/41,444.43 = 12,830.47/x
  3. Step 3: Cross multiply
    27,629.65x = 41,444.43 × 12,830.47
  4. Step 4: Simplify right side
    27,629.65x = 531,751,515.78
  5. Step 5: Solve for x
    x = 531,751,515.78/27,629.65
  6. Step 6: Final answer
    x = 19,245.68

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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.