Home / 28,936.82-43,360.34-20,069.45

Finding the Fourth Proportional to 28,936.82, 43,360.34 and 20,069.45

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Solution

The fourth proportional to 28,936.82, 43,360.34 and 20,069.45 is: 30,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.82 : 43,360.34 = 20,069.45 : x
  2. Step 2: Convert to fraction form
    28,936.82/43,360.34 = 20,069.45/x
  3. Step 3: Cross multiply
    28,936.82x = 43,360.34 × 20,069.45
  4. Step 4: Simplify right side
    28,936.82x = 870,217,858.46
  5. Step 5: Solve for x
    x = 870,217,858.46/28,936.82
  6. Step 6: Final answer
    x = 30,073.03

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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.