Home / 28,716.66-43,042.19-15,580.08

Finding the Fourth Proportional to 28,716.66, 43,042.19 and 15,580.08

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Solution

The fourth proportional to 28,716.66, 43,042.19 and 15,580.08 is: 23,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.66 : 43,042.19 = 15,580.08 : x
  2. Step 2: Convert to fraction form
    28,716.66/43,042.19 = 15,580.08/x
  3. Step 3: Cross multiply
    28,716.66x = 43,042.19 × 15,580.08
  4. Step 4: Simplify right side
    28,716.66x = 670,600,685.67
  5. Step 5: Solve for x
    x = 670,600,685.67/28,716.66
  6. Step 6: Final answer
    x = 23,352.32

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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.