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Finding the Fourth Proportional to 32,408.78, 48,602.02 and 15,758.09

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Solution

The fourth proportional to 32,408.78, 48,602.02 and 15,758.09 is: 23,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,408.78 : 48,602.02 = 15,758.09 : x
  2. Step 2: Convert to fraction form
    32,408.78/48,602.02 = 15,758.09/x
  3. Step 3: Cross multiply
    32,408.78x = 48,602.02 × 15,758.09
  4. Step 4: Simplify right side
    32,408.78x = 765,875,005.34
  5. Step 5: Solve for x
    x = 765,875,005.34/32,408.78
  6. Step 6: Final answer
    x = 23,631.71

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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.