Home / 28,716.48-43,066.40-11,182.40

Finding the Fourth Proportional to 28,716.48, 43,066.40 and 11,182.40

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Solution

The fourth proportional to 28,716.48, 43,066.40 and 11,182.40 is: 16,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.48 : 43,066.40 = 11,182.40 : x
  2. Step 2: Convert to fraction form
    28,716.48/43,066.40 = 11,182.40/x
  3. Step 3: Cross multiply
    28,716.48x = 43,066.40 × 11,182.40
  4. Step 4: Simplify right side
    28,716.48x = 481,585,711.36
  5. Step 5: Solve for x
    x = 481,585,711.36/28,716.48
  6. Step 6: Final answer
    x = 16,770.36

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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.