Home / 20,444.08-28,211.82-11,491.96

Finding the Fourth Proportional to 20,444.08, 28,211.82 and 11,491.96

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Solution

The fourth proportional to 20,444.08, 28,211.82 and 11,491.96 is: 15,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.08 : 28,211.82 = 11,491.96 : x
  2. Step 2: Convert to fraction form
    20,444.08/28,211.82 = 11,491.96/x
  3. Step 3: Cross multiply
    20,444.08x = 28,211.82 × 11,491.96
  4. Step 4: Simplify right side
    20,444.08x = 324,209,106.97
  5. Step 5: Solve for x
    x = 324,209,106.97/20,444.08
  6. Step 6: Final answer
    x = 15,858.34

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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.