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Finding the Fourth Proportional to 23.90, 32.76 and 23.54

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Solution

The fourth proportional to 23.90, 32.76 and 23.54 is: 32.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.90 : 32.76 = 23.54 : x
  2. Step 2: Convert to fraction form
    23.90/32.76 = 23.54/x
  3. Step 3: Cross multiply
    23.90x = 32.76 × 23.54
  4. Step 4: Simplify right side
    23.90x = 771.17
  5. Step 5: Solve for x
    x = 771.17/23.90
  6. Step 6: Final answer
    x = 32.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.