Home / 37,831.28-56,745.70-15,638.09

Finding the Fourth Proportional to 37,831.28, 56,745.70 and 15,638.09

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Solution

The fourth proportional to 37,831.28, 56,745.70 and 15,638.09 is: 23,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.28 : 56,745.70 = 15,638.09 : x
  2. Step 2: Convert to fraction form
    37,831.28/56,745.70 = 15,638.09/x
  3. Step 3: Cross multiply
    37,831.28x = 56,745.70 × 15,638.09
  4. Step 4: Simplify right side
    37,831.28x = 887,394,040.89
  5. Step 5: Solve for x
    x = 887,394,040.89/37,831.28
  6. Step 6: Final answer
    x = 23,456.63

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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.