Home / 27,109.18-40,685.69-13,965.31

Finding the Fourth Proportional to 27,109.18, 40,685.69 and 13,965.31

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Solution

The fourth proportional to 27,109.18, 40,685.69 and 13,965.31 is: 20,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.18 : 40,685.69 = 13,965.31 : x
  2. Step 2: Convert to fraction form
    27,109.18/40,685.69 = 13,965.31/x
  3. Step 3: Cross multiply
    27,109.18x = 40,685.69 × 13,965.31
  4. Step 4: Simplify right side
    27,109.18x = 568,188,273.41
  5. Step 5: Solve for x
    x = 568,188,273.41/27,109.18
  6. Step 6: Final answer
    x = 20,959.26

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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.