Home / 21,831.77-32,716.37-12,452.38

Finding the Fourth Proportional to 21,831.77, 32,716.37 and 12,452.38

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Solution

The fourth proportional to 21,831.77, 32,716.37 and 12,452.38 is: 18,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.77 : 32,716.37 = 12,452.38 : x
  2. Step 2: Convert to fraction form
    21,831.77/32,716.37 = 12,452.38/x
  3. Step 3: Cross multiply
    21,831.77x = 32,716.37 × 12,452.38
  4. Step 4: Simplify right side
    21,831.77x = 407,396,671.46
  5. Step 5: Solve for x
    x = 407,396,671.46/21,831.77
  6. Step 6: Final answer
    x = 18,660.73

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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.