Home / 20,005.82-27,607.29-11,053.13

Finding the Fourth Proportional to 20,005.82, 27,607.29 and 11,053.13

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Solution

The fourth proportional to 20,005.82, 27,607.29 and 11,053.13 is: 15,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.82 : 27,607.29 = 11,053.13 : x
  2. Step 2: Convert to fraction form
    20,005.82/27,607.29 = 11,053.13/x
  3. Step 3: Cross multiply
    20,005.82x = 27,607.29 × 11,053.13
  4. Step 4: Simplify right side
    20,005.82x = 305,147,020.52
  5. Step 5: Solve for x
    x = 305,147,020.52/20,005.82
  6. Step 6: Final answer
    x = 15,252.91

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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.