Home / 20,026.53-27,634.19-11,072.81

Finding the Fourth Proportional to 20,026.53, 27,634.19 and 11,072.81

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Solution

The fourth proportional to 20,026.53, 27,634.19 and 11,072.81 is: 15,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.53 : 27,634.19 = 11,072.81 : x
  2. Step 2: Convert to fraction form
    20,026.53/27,634.19 = 11,072.81/x
  3. Step 3: Cross multiply
    20,026.53x = 27,634.19 × 11,072.81
  4. Step 4: Simplify right side
    20,026.53x = 305,988,149.10
  5. Step 5: Solve for x
    x = 305,988,149.10/20,026.53
  6. Step 6: Final answer
    x = 15,279.14

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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.