Home / 27,831.27-38,407.48-16,345.41

Finding the Fourth Proportional to 27,831.27, 38,407.48 and 16,345.41

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Solution

The fourth proportional to 27,831.27, 38,407.48 and 16,345.41 is: 22,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.27 : 38,407.48 = 16,345.41 : x
  2. Step 2: Convert to fraction form
    27,831.27/38,407.48 = 16,345.41/x
  3. Step 3: Cross multiply
    27,831.27x = 38,407.48 × 16,345.41
  4. Step 4: Simplify right side
    27,831.27x = 627,786,007.67
  5. Step 5: Solve for x
    x = 627,786,007.67/27,831.27
  6. Step 6: Final answer
    x = 22,556.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.