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Finding the Fourth Proportional to 25.73, 38.59 and 10.51

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Solution

The fourth proportional to 25.73, 38.59 and 10.51 is: 15.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.73 : 38.59 = 10.51 : x
  2. Step 2: Convert to fraction form
    25.73/38.59 = 10.51/x
  3. Step 3: Cross multiply
    25.73x = 38.59 × 10.51
  4. Step 4: Simplify right side
    25.73x = 405.45
  5. Step 5: Solve for x
    x = 405.45/25.73
  6. Step 6: Final answer
    x = 15.76

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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.