Home / 37,221.12-55,658.88-28,805.76

Finding the Fourth Proportional to 37,221.12, 55,658.88 and 28,805.76

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Solution

The fourth proportional to 37,221.12, 55,658.88 and 28,805.76 is: 43,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.12 : 55,658.88 = 28,805.76 : x
  2. Step 2: Convert to fraction form
    37,221.12/55,658.88 = 28,805.76/x
  3. Step 3: Cross multiply
    37,221.12x = 55,658.88 × 28,805.76
  4. Step 4: Simplify right side
    37,221.12x = 1,603,296,339.15
  5. Step 5: Solve for x
    x = 1,603,296,339.15/37,221.12
  6. Step 6: Final answer
    x = 43,074.91

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1.5x scale

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.