Home / 28,716.03-43,074.01-8,996.12

Finding the Fourth Proportional to 28,716.03, 43,074.01 and 8,996.12

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Solution

The fourth proportional to 28,716.03, 43,074.01 and 8,996.12 is: 13,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.03 : 43,074.01 = 8,996.12 : x
  2. Step 2: Convert to fraction form
    28,716.03/43,074.01 = 8,996.12/x
  3. Step 3: Cross multiply
    28,716.03x = 43,074.01 × 8,996.12
  4. Step 4: Simplify right side
    28,716.03x = 387,498,917.86
  5. Step 5: Solve for x
    x = 387,498,917.86/28,716.03
  6. Step 6: Final answer
    x = 13,494.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.