Home / 52,401.89-78,578.70-16,856.64

Finding the Fourth Proportional to 52,401.89, 78,578.70 and 16,856.64

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Solution

The fourth proportional to 52,401.89, 78,578.70 and 16,856.64 is: 25,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.89 : 78,578.70 = 16,856.64 : x
  2. Step 2: Convert to fraction form
    52,401.89/78,578.70 = 16,856.64/x
  3. Step 3: Cross multiply
    52,401.89x = 78,578.70 × 16,856.64
  4. Step 4: Simplify right side
    52,401.89x = 1,324,572,857.57
  5. Step 5: Solve for x
    x = 1,324,572,857.57/52,401.89
  6. Step 6: Final answer
    x = 25,277.20

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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.