Home / 27,831.77-41,749.55-11,191.80

Finding the Fourth Proportional to 27,831.77, 41,749.55 and 11,191.80

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Solution

The fourth proportional to 27,831.77, 41,749.55 and 11,191.80 is: 16,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.77 : 41,749.55 = 11,191.80 : x
  2. Step 2: Convert to fraction form
    27,831.77/41,749.55 = 11,191.80/x
  3. Step 3: Cross multiply
    27,831.77x = 41,749.55 × 11,191.80
  4. Step 4: Simplify right side
    27,831.77x = 467,252,557.73
  5. Step 5: Solve for x
    x = 467,252,557.73/27,831.77
  6. Step 6: Final answer
    x = 16,788.46

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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.