Home / 28,576.83-42,858.36-11,035.47

Finding the Fourth Proportional to 28,576.83, 42,858.36 and 11,035.47

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Solution

The fourth proportional to 28,576.83, 42,858.36 and 11,035.47 is: 16,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.83 : 42,858.36 = 11,035.47 : x
  2. Step 2: Convert to fraction form
    28,576.83/42,858.36 = 11,035.47/x
  3. Step 3: Cross multiply
    28,576.83x = 42,858.36 × 11,035.47
  4. Step 4: Simplify right side
    28,576.83x = 472,962,146.03
  5. Step 5: Solve for x
    x = 472,962,146.03/28,576.83
  6. Step 6: Final answer
    x = 16,550.55

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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.