Home / 27,406.62-37,821.27-14,831.40

Finding the Fourth Proportional to 27,406.62, 37,821.27 and 14,831.40

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Solution

The fourth proportional to 27,406.62, 37,821.27 and 14,831.40 is: 20,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.62 : 37,821.27 = 14,831.40 : x
  2. Step 2: Convert to fraction form
    27,406.62/37,821.27 = 14,831.40/x
  3. Step 3: Cross multiply
    27,406.62x = 37,821.27 × 14,831.40
  4. Step 4: Simplify right side
    27,406.62x = 560,942,383.88
  5. Step 5: Solve for x
    x = 560,942,383.88/27,406.62
  6. Step 6: Final answer
    x = 20,467.40

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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.