Home / 27,515.63-41,273.51-9,985.47

Finding the Fourth Proportional to 27,515.63, 41,273.51 and 9,985.47

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Solution

The fourth proportional to 27,515.63, 41,273.51 and 9,985.47 is: 14,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.63 : 41,273.51 = 9,985.47 : x
  2. Step 2: Convert to fraction form
    27,515.63/41,273.51 = 9,985.47/x
  3. Step 3: Cross multiply
    27,515.63x = 41,273.51 × 9,985.47
  4. Step 4: Simplify right side
    27,515.63x = 412,135,345.97
  5. Step 5: Solve for x
    x = 412,135,345.97/27,515.63
  6. Step 6: Final answer
    x = 14,978.23

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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.