Home / 37,918.78-56,833.90-28,528.66

Finding the Fourth Proportional to 37,918.78, 56,833.90 and 28,528.66

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Solution

The fourth proportional to 37,918.78, 56,833.90 and 28,528.66 is: 42,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.78 : 56,833.90 = 28,528.66 : x
  2. Step 2: Convert to fraction form
    37,918.78/56,833.90 = 28,528.66/x
  3. Step 3: Cross multiply
    37,918.78x = 56,833.90 × 28,528.66
  4. Step 4: Simplify right side
    37,918.78x = 1,621,394,850.08
  5. Step 5: Solve for x
    x = 1,621,394,850.08/37,918.78
  6. Step 6: Final answer
    x = 42,759.68

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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.