Home / 39,954.44-55,120.32-28,025.57

Finding the Fourth Proportional to 39,954.44, 55,120.32 and 28,025.57

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Solution

The fourth proportional to 39,954.44, 55,120.32 and 28,025.57 is: 38,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.44 : 55,120.32 = 28,025.57 : x
  2. Step 2: Convert to fraction form
    39,954.44/55,120.32 = 28,025.57/x
  3. Step 3: Cross multiply
    39,954.44x = 55,120.32 × 28,025.57
  4. Step 4: Simplify right side
    39,954.44x = 1,544,778,524.38
  5. Step 5: Solve for x
    x = 1,544,778,524.38/39,954.44
  6. Step 6: Final answer
    x = 38,663.50

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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.