Home / 20,023.38-27,632.91-11,071.18

Finding the Fourth Proportional to 20,023.38, 27,632.91 and 11,071.18

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Solution

The fourth proportional to 20,023.38, 27,632.91 and 11,071.18 is: 15,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.38 : 27,632.91 = 11,071.18 : x
  2. Step 2: Convert to fraction form
    20,023.38/27,632.91 = 11,071.18/x
  3. Step 3: Cross multiply
    20,023.38x = 27,632.91 × 11,071.18
  4. Step 4: Simplify right side
    20,023.38x = 305,928,920.53
  5. Step 5: Solve for x
    x = 305,928,920.53/20,023.38
  6. Step 6: Final answer
    x = 15,278.59

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Half scale
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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.