Home / 15,677.96-23,516.83-3,831.77

Finding the Fourth Proportional to 15,677.96, 23,516.83 and 3,831.77

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Solution

The fourth proportional to 15,677.96, 23,516.83 and 3,831.77 is: 5,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.96 : 23,516.83 = 3,831.77 : x
  2. Step 2: Convert to fraction form
    15,677.96/23,516.83 = 3,831.77/x
  3. Step 3: Cross multiply
    15,677.96x = 23,516.83 × 3,831.77
  4. Step 4: Simplify right side
    15,677.96x = 90,111,147.27
  5. Step 5: Solve for x
    x = 90,111,147.27/15,677.96
  6. Step 6: Final answer
    x = 5,747.63

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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.