Home / 27,582.28-41,394.21-20,205.61

Finding the Fourth Proportional to 27,582.28, 41,394.21 and 20,205.61

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Solution

The fourth proportional to 27,582.28, 41,394.21 and 20,205.61 is: 30,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.28 : 41,394.21 = 20,205.61 : x
  2. Step 2: Convert to fraction form
    27,582.28/41,394.21 = 20,205.61/x
  3. Step 3: Cross multiply
    27,582.28x = 41,394.21 × 20,205.61
  4. Step 4: Simplify right side
    27,582.28x = 836,395,263.52
  5. Step 5: Solve for x
    x = 836,395,263.52/27,582.28
  6. Step 6: Final answer
    x = 30,323.64

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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.