Home / 27,880.15-41,788.40-11,229.52

Finding the Fourth Proportional to 27,880.15, 41,788.40 and 11,229.52

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Solution

The fourth proportional to 27,880.15, 41,788.40 and 11,229.52 is: 16,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.15 : 41,788.40 = 11,229.52 : x
  2. Step 2: Convert to fraction form
    27,880.15/41,788.40 = 11,229.52/x
  3. Step 3: Cross multiply
    27,880.15x = 41,788.40 × 11,229.52
  4. Step 4: Simplify right side
    27,880.15x = 469,263,492.70
  5. Step 5: Solve for x
    x = 469,263,492.70/27,880.15
  6. Step 6: Final answer
    x = 16,831.46

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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.