Home / 28,491.43-42,738.97-10,961.26

Finding the Fourth Proportional to 28,491.43, 42,738.97 and 10,961.26

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Solution

The fourth proportional to 28,491.43, 42,738.97 and 10,961.26 is: 16,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.43 : 42,738.97 = 10,961.26 : x
  2. Step 2: Convert to fraction form
    28,491.43/42,738.97 = 10,961.26/x
  3. Step 3: Cross multiply
    28,491.43x = 42,738.97 × 10,961.26
  4. Step 4: Simplify right side
    28,491.43x = 468,472,760.93
  5. Step 5: Solve for x
    x = 468,472,760.93/28,491.43
  6. Step 6: Final answer
    x = 16,442.59

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1.5x scale

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.