Home / 28,786.05-43,180.61-9,066.14

Finding the Fourth Proportional to 28,786.05, 43,180.61 and 9,066.14

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Solution

The fourth proportional to 28,786.05, 43,180.61 and 9,066.14 is: 13,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.05 : 43,180.61 = 9,066.14 : x
  2. Step 2: Convert to fraction form
    28,786.05/43,180.61 = 9,066.14/x
  3. Step 3: Cross multiply
    28,786.05x = 43,180.61 × 9,066.14
  4. Step 4: Simplify right side
    28,786.05x = 391,481,194.31
  5. Step 5: Solve for x
    x = 391,481,194.31/28,786.05
  6. Step 6: Final answer
    x = 13,599.68

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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.