Home / 28,519.24-39,355.90-15,944

Finding the Fourth Proportional to 28,519.24, 39,355.90 and 15,944

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Solution

The fourth proportional to 28,519.24, 39,355.90 and 15,944 is: 22,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.24 : 39,355.90 = 15,944 : x
  2. Step 2: Convert to fraction form
    28,519.24/39,355.90 = 15,944/x
  3. Step 3: Cross multiply
    28,519.24x = 39,355.90 × 15,944
  4. Step 4: Simplify right side
    28,519.24x = 627,490,469.60
  5. Step 5: Solve for x
    x = 627,490,469.60/28,519.24
  6. Step 6: Final answer
    x = 22,002.36

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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.