Home / 25,139.57-37,677.91-12,662.73

Finding the Fourth Proportional to 25,139.57, 37,677.91 and 12,662.73

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Solution

The fourth proportional to 25,139.57, 37,677.91 and 12,662.73 is: 18,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.57 : 37,677.91 = 12,662.73 : x
  2. Step 2: Convert to fraction form
    25,139.57/37,677.91 = 12,662.73/x
  3. Step 3: Cross multiply
    25,139.57x = 37,677.91 × 12,662.73
  4. Step 4: Simplify right side
    25,139.57x = 477,105,193.38
  5. Step 5: Solve for x
    x = 477,105,193.38/25,139.57
  6. Step 6: Final answer
    x = 18,978.26

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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.