Home / 27,831.27-41,748.80-11,191.30

Finding the Fourth Proportional to 27,831.27, 41,748.80 and 11,191.30

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Solution

The fourth proportional to 27,831.27, 41,748.80 and 11,191.30 is: 16,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.27 : 41,748.80 = 11,191.30 : x
  2. Step 2: Convert to fraction form
    27,831.27/41,748.80 = 11,191.30/x
  3. Step 3: Cross multiply
    27,831.27x = 41,748.80 × 11,191.30
  4. Step 4: Simplify right side
    27,831.27x = 467,223,345.44
  5. Step 5: Solve for x
    x = 467,223,345.44/27,831.27
  6. Step 6: Final answer
    x = 16,787.71

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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.