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Finding the Fourth Proportional to 57,798, 86,697 and 16,245

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Solution

The fourth proportional to 57,798, 86,697 and 16,245 is: 24,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798 : 86,697 = 16,245 : x
  2. Step 2: Convert to fraction form
    57,798/86,697 = 16,245/x
  3. Step 3: Cross multiply
    57,798x = 86,697 × 16,245
  4. Step 4: Simplify right side
    57,798x = 1,408,392,765
  5. Step 5: Solve for x
    x = 1,408,392,765/57,798
  6. Step 6: Final answer
    x = 24,367.50

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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.