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Finding the Fourth Proportional to 57,801, 86,701.50 and 16,248

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Solution

The fourth proportional to 57,801, 86,701.50 and 16,248 is: 24,372

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801 : 86,701.50 = 16,248 : x
  2. Step 2: Convert to fraction form
    57,801/86,701.50 = 16,248/x
  3. Step 3: Cross multiply
    57,801x = 86,701.50 × 16,248
  4. Step 4: Simplify right side
    57,801x = 1,408,725,972
  5. Step 5: Solve for x
    x = 1,408,725,972/57,801
  6. Step 6: Final answer
    x = 24,372

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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.