Home / 27,680.72-41,423.70-23,831.60

Finding the Fourth Proportional to 27,680.72, 41,423.70 and 23,831.60

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Solution

The fourth proportional to 27,680.72, 41,423.70 and 23,831.60 is: 35,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.72 : 41,423.70 = 23,831.60 : x
  2. Step 2: Convert to fraction form
    27,680.72/41,423.70 = 23,831.60/x
  3. Step 3: Cross multiply
    27,680.72x = 41,423.70 × 23,831.60
  4. Step 4: Simplify right side
    27,680.72x = 987,193,048.92
  5. Step 5: Solve for x
    x = 987,193,048.92/27,680.72
  6. Step 6: Final answer
    x = 35,663.56

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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.