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Finding the Fourth Proportional to 25.18, 37.73 and 15.01

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Solution

The fourth proportional to 25.18, 37.73 and 15.01 is: 22.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.18 : 37.73 = 15.01 : x
  2. Step 2: Convert to fraction form
    25.18/37.73 = 15.01/x
  3. Step 3: Cross multiply
    25.18x = 37.73 × 15.01
  4. Step 4: Simplify right side
    25.18x = 566.16
  5. Step 5: Solve for x
    x = 566.16/25.18
  6. Step 6: Final answer
    x = 22.49

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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.