Home / 27,831.41-41,765.21-12,051.85

Finding the Fourth Proportional to 27,831.41, 41,765.21 and 12,051.85

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Solution

The fourth proportional to 27,831.41, 41,765.21 and 12,051.85 is: 18,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.41 : 41,765.21 = 12,051.85 : x
  2. Step 2: Convert to fraction form
    27,831.41/41,765.21 = 12,051.85/x
  3. Step 3: Cross multiply
    27,831.41x = 41,765.21 × 12,051.85
  4. Step 4: Simplify right side
    27,831.41x = 503,348,046.14
  5. Step 5: Solve for x
    x = 503,348,046.14/27,831.41
  6. Step 6: Final answer
    x = 18,085.61

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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.