Home / 20,005.58-27,609.32-11,053.87

Finding the Fourth Proportional to 20,005.58, 27,609.32 and 11,053.87

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Solution

The fourth proportional to 20,005.58, 27,609.32 and 11,053.87 is: 15,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.58 : 27,609.32 = 11,053.87 : x
  2. Step 2: Convert to fraction form
    20,005.58/27,609.32 = 11,053.87/x
  3. Step 3: Cross multiply
    20,005.58x = 27,609.32 × 11,053.87
  4. Step 4: Simplify right side
    20,005.58x = 305,189,640.75
  5. Step 5: Solve for x
    x = 305,189,640.75/20,005.58
  6. Step 6: Final answer
    x = 15,255.23

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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.