Home / 20,019.42-27,626.94-11,066.76

Finding the Fourth Proportional to 20,019.42, 27,626.94 and 11,066.76

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Solution

The fourth proportional to 20,019.42, 27,626.94 and 11,066.76 is: 15,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.42 : 27,626.94 = 11,066.76 : x
  2. Step 2: Convert to fraction form
    20,019.42/27,626.94 = 11,066.76/x
  3. Step 3: Cross multiply
    20,019.42x = 27,626.94 × 11,066.76
  4. Step 4: Simplify right side
    20,019.42x = 305,740,714.51
  5. Step 5: Solve for x
    x = 305,740,714.51/20,019.42
  6. Step 6: Final answer
    x = 15,272.21

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Half scale
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Double 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.