Home / 38,388.41-57,563.03-28,813.22

Finding the Fourth Proportional to 38,388.41, 57,563.03 and 28,813.22

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Solution

The fourth proportional to 38,388.41, 57,563.03 and 28,813.22 is: 43,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.41 : 57,563.03 = 28,813.22 : x
  2. Step 2: Convert to fraction form
    38,388.41/57,563.03 = 28,813.22/x
  3. Step 3: Cross multiply
    38,388.41x = 57,563.03 × 28,813.22
  4. Step 4: Simplify right side
    38,388.41x = 1,658,576,031.47
  5. Step 5: Solve for x
    x = 1,658,576,031.47/38,388.41
  6. Step 6: Final answer
    x = 43,205.13

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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.