Home / 25,040.81-37,562.43-20,650.25

Finding the Fourth Proportional to 25,040.81, 37,562.43 and 20,650.25

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Solution

The fourth proportional to 25,040.81, 37,562.43 and 20,650.25 is: 30,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.81 : 37,562.43 = 20,650.25 : x
  2. Step 2: Convert to fraction form
    25,040.81/37,562.43 = 20,650.25/x
  3. Step 3: Cross multiply
    25,040.81x = 37,562.43 × 20,650.25
  4. Step 4: Simplify right side
    25,040.81x = 775,673,570.11
  5. Step 5: Solve for x
    x = 775,673,570.11/25,040.81
  6. Step 6: Final answer
    x = 30,976.38

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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.