Home / 27,483.68-41,170.23-20,831.55

Finding the Fourth Proportional to 27,483.68, 41,170.23 and 20,831.55

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Solution

The fourth proportional to 27,483.68, 41,170.23 and 20,831.55 is: 31,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483.68 : 41,170.23 = 20,831.55 : x
  2. Step 2: Convert to fraction form
    27,483.68/41,170.23 = 20,831.55/x
  3. Step 3: Cross multiply
    27,483.68x = 41,170.23 × 20,831.55
  4. Step 4: Simplify right side
    27,483.68x = 857,639,704.76
  5. Step 5: Solve for x
    x = 857,639,704.76/27,483.68
  6. Step 6: Final answer
    x = 31,205.42

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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.