Home / 20,444.26-28,213.36-11,491.24

Finding the Fourth Proportional to 20,444.26, 28,213.36 and 11,491.24

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Solution

The fourth proportional to 20,444.26, 28,213.36 and 11,491.24 is: 15,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.26 : 28,213.36 = 11,491.24 : x
  2. Step 2: Convert to fraction form
    20,444.26/28,213.36 = 11,491.24/x
  3. Step 3: Cross multiply
    20,444.26x = 28,213.36 × 11,491.24
  4. Step 4: Simplify right side
    20,444.26x = 324,206,490.97
  5. Step 5: Solve for x
    x = 324,206,490.97/20,444.26
  6. Step 6: Final answer
    x = 15,858.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.