Home / 27,407.20-41,121.60-10,764.40

Finding the Fourth Proportional to 27,407.20, 41,121.60 and 10,764.40

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Solution

The fourth proportional to 27,407.20, 41,121.60 and 10,764.40 is: 16,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.20 : 41,121.60 = 10,764.40 : x
  2. Step 2: Convert to fraction form
    27,407.20/41,121.60 = 10,764.40/x
  3. Step 3: Cross multiply
    27,407.20x = 41,121.60 × 10,764.40
  4. Step 4: Simplify right side
    27,407.20x = 442,649,351.04
  5. Step 5: Solve for x
    x = 442,649,351.04/27,407.20
  6. Step 6: Final answer
    x = 16,150.84

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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.