Home / 20,119.39-27,745.34-15,026.11

Finding the Fourth Proportional to 20,119.39, 27,745.34 and 15,026.11

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Solution

The fourth proportional to 20,119.39, 27,745.34 and 15,026.11 is: 20,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.39 : 27,745.34 = 15,026.11 : x
  2. Step 2: Convert to fraction form
    20,119.39/27,745.34 = 15,026.11/x
  3. Step 3: Cross multiply
    20,119.39x = 27,745.34 × 15,026.11
  4. Step 4: Simplify right side
    20,119.39x = 416,904,386.33
  5. Step 5: Solve for x
    x = 416,904,386.33/20,119.39
  6. Step 6: Final answer
    x = 20,721.52

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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.