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Finding the Fourth Proportional to 25,986, 35,861.04 and 16,552.56

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Solution

The fourth proportional to 25,986, 35,861.04 and 16,552.56 is: 22,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986 : 35,861.04 = 16,552.56 : x
  2. Step 2: Convert to fraction form
    25,986/35,861.04 = 16,552.56/x
  3. Step 3: Cross multiply
    25,986x = 35,861.04 × 16,552.56
  4. Step 4: Simplify right side
    25,986x = 593,592,016.26
  5. Step 5: Solve for x
    x = 593,592,016.26/25,986
  6. Step 6: Final answer
    x = 22,842.76

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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.