Home / 15,953.38-23,928.39-4,267.78

Finding the Fourth Proportional to 15,953.38, 23,928.39 and 4,267.78

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Solution

The fourth proportional to 15,953.38, 23,928.39 and 4,267.78 is: 6,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.38 : 23,928.39 = 4,267.78 : x
  2. Step 2: Convert to fraction form
    15,953.38/23,928.39 = 4,267.78/x
  3. Step 3: Cross multiply
    15,953.38x = 23,928.39 × 4,267.78
  4. Step 4: Simplify right side
    15,953.38x = 102,121,104.27
  5. Step 5: Solve for x
    x = 102,121,104.27/15,953.38
  6. Step 6: Final answer
    x = 6,401.22

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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.