Home / 27,831.20-41,746.80-7,054.70

Finding the Fourth Proportional to 27,831.20, 41,746.80 and 7,054.70

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Solution

The fourth proportional to 27,831.20, 41,746.80 and 7,054.70 is: 10,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.20 : 41,746.80 = 7,054.70 : x
  2. Step 2: Convert to fraction form
    27,831.20/41,746.80 = 7,054.70/x
  3. Step 3: Cross multiply
    27,831.20x = 41,746.80 × 7,054.70
  4. Step 4: Simplify right side
    27,831.20x = 294,511,149.96
  5. Step 5: Solve for x
    x = 294,511,149.96/27,831.20
  6. Step 6: Final answer
    x = 10,582.05

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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.