Home / 27,406.20-41,109.30-15,742.20

Finding the Fourth Proportional to 27,406.20, 41,109.30 and 15,742.20

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Solution

The fourth proportional to 27,406.20, 41,109.30 and 15,742.20 is: 23,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.20 : 41,109.30 = 15,742.20 : x
  2. Step 2: Convert to fraction form
    27,406.20/41,109.30 = 15,742.20/x
  3. Step 3: Cross multiply
    27,406.20x = 41,109.30 × 15,742.20
  4. Step 4: Simplify right side
    27,406.20x = 647,150,822.46
  5. Step 5: Solve for x
    x = 647,150,822.46/27,406.20
  6. Step 6: Final answer
    x = 23,613.30

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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.