Home / 36,854.10-55,228.80-28,388.58

Finding the Fourth Proportional to 36,854.10, 55,228.80 and 28,388.58

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Solution

The fourth proportional to 36,854.10, 55,228.80 and 28,388.58 is: 42,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,854.10 : 55,228.80 = 28,388.58 : x
  2. Step 2: Convert to fraction form
    36,854.10/55,228.80 = 28,388.58/x
  3. Step 3: Cross multiply
    36,854.10x = 55,228.80 × 28,388.58
  4. Step 4: Simplify right side
    36,854.10x = 1,567,867,207.10
  5. Step 5: Solve for x
    x = 1,567,867,207.10/36,854.10
  6. Step 6: Final answer
    x = 42,542.54

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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.