Home / 28,825.11-43,239.87-11,064.30

Finding the Fourth Proportional to 28,825.11, 43,239.87 and 11,064.30

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Solution

The fourth proportional to 28,825.11, 43,239.87 and 11,064.30 is: 16,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.11 : 43,239.87 = 11,064.30 : x
  2. Step 2: Convert to fraction form
    28,825.11/43,239.87 = 11,064.30/x
  3. Step 3: Cross multiply
    28,825.11x = 43,239.87 × 11,064.30
  4. Step 4: Simplify right side
    28,825.11x = 478,418,893.64
  5. Step 5: Solve for x
    x = 478,418,893.64/28,825.11
  6. Step 6: Final answer
    x = 16,597.30

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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.