Home / 28,464.22-39,282.87-16,531.30

Finding the Fourth Proportional to 28,464.22, 39,282.87 and 16,531.30

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Solution

The fourth proportional to 28,464.22, 39,282.87 and 16,531.30 is: 22,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.22 : 39,282.87 = 16,531.30 : x
  2. Step 2: Convert to fraction form
    28,464.22/39,282.87 = 16,531.30/x
  3. Step 3: Cross multiply
    28,464.22x = 39,282.87 × 16,531.30
  4. Step 4: Simplify right side
    28,464.22x = 649,396,908.83
  5. Step 5: Solve for x
    x = 649,396,908.83/28,464.22
  6. Step 6: Final answer
    x = 22,814.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.