Home / 27,108.18-40,684.19-13,964.31

Finding the Fourth Proportional to 27,108.18, 40,684.19 and 13,964.31

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Solution

The fourth proportional to 27,108.18, 40,684.19 and 13,964.31 is: 20,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.18 : 40,684.19 = 13,964.31 : x
  2. Step 2: Convert to fraction form
    27,108.18/40,684.19 = 13,964.31/x
  3. Step 3: Cross multiply
    27,108.18x = 40,684.19 × 13,964.31
  4. Step 4: Simplify right side
    27,108.18x = 568,126,571.44
  5. Step 5: Solve for x
    x = 568,126,571.44/27,108.18
  6. Step 6: Final answer
    x = 20,957.75

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1.5x scale

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.