Home / 52,402.89-78,580.20-16,857.64

Finding the Fourth Proportional to 52,402.89, 78,580.20 and 16,857.64

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Solution

The fourth proportional to 52,402.89, 78,580.20 and 16,857.64 is: 25,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.89 : 78,580.20 = 16,857.64 : x
  2. Step 2: Convert to fraction form
    52,402.89/78,580.20 = 16,857.64/x
  3. Step 3: Cross multiply
    52,402.89x = 78,580.20 × 16,857.64
  4. Step 4: Simplify right side
    52,402.89x = 1,324,676,722.73
  5. Step 5: Solve for x
    x = 1,324,676,722.73/52,402.89
  6. Step 6: Final answer
    x = 25,278.70

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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.