Home / 40,023.06-55,200.69-28,375.92

Finding the Fourth Proportional to 40,023.06, 55,200.69 and 28,375.92

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Solution

The fourth proportional to 40,023.06, 55,200.69 and 28,375.92 is: 39,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.06 : 55,200.69 = 28,375.92 : x
  2. Step 2: Convert to fraction form
    40,023.06/55,200.69 = 28,375.92/x
  3. Step 3: Cross multiply
    40,023.06x = 55,200.69 × 28,375.92
  4. Step 4: Simplify right side
    40,023.06x = 1,566,370,363.38
  5. Step 5: Solve for x
    x = 1,566,370,363.38/40,023.06
  6. Step 6: Final answer
    x = 39,136.70

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1.5x scale

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.