Home / 25,960.69-38,971.88-21,851.83

Finding the Fourth Proportional to 25,960.69, 38,971.88 and 21,851.83

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Solution

The fourth proportional to 25,960.69, 38,971.88 and 21,851.83 is: 32,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.69 : 38,971.88 = 21,851.83 : x
  2. Step 2: Convert to fraction form
    25,960.69/38,971.88 = 21,851.83/x
  3. Step 3: Cross multiply
    25,960.69x = 38,971.88 × 21,851.83
  4. Step 4: Simplify right side
    25,960.69x = 851,606,896.54
  5. Step 5: Solve for x
    x = 851,606,896.54/25,960.69
  6. Step 6: Final answer
    x = 32,803.71

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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.