Home / 20,048.85-27,659.94-15,450.97

Finding the Fourth Proportional to 20,048.85, 27,659.94 and 15,450.97

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Solution

The fourth proportional to 20,048.85, 27,659.94 and 15,450.97 is: 21,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.85 : 27,659.94 = 15,450.97 : x
  2. Step 2: Convert to fraction form
    20,048.85/27,659.94 = 15,450.97/x
  3. Step 3: Cross multiply
    20,048.85x = 27,659.94 × 15,450.97
  4. Step 4: Simplify right side
    20,048.85x = 427,372,903.14
  5. Step 5: Solve for x
    x = 427,372,903.14/20,048.85
  6. Step 6: Final answer
    x = 21,316.58

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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.