Home / 28,944.73-43,438.97-21,173.59

Finding the Fourth Proportional to 28,944.73, 43,438.97 and 21,173.59

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Solution

The fourth proportional to 28,944.73, 43,438.97 and 21,173.59 is: 31,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.73 : 43,438.97 = 21,173.59 : x
  2. Step 2: Convert to fraction form
    28,944.73/43,438.97 = 21,173.59/x
  3. Step 3: Cross multiply
    28,944.73x = 43,438.97 × 21,173.59
  4. Step 4: Simplify right side
    28,944.73x = 919,758,940.80
  5. Step 5: Solve for x
    x = 919,758,940.80/28,944.73
  6. Step 6: Final answer
    x = 31,776.39

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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.