Home / 27,737.73-38,278.41-15,162.48

Finding the Fourth Proportional to 27,737.73, 38,278.41 and 15,162.48

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Solution

The fourth proportional to 27,737.73, 38,278.41 and 15,162.48 is: 20,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.73 : 38,278.41 = 15,162.48 : x
  2. Step 2: Convert to fraction form
    27,737.73/38,278.41 = 15,162.48/x
  3. Step 3: Cross multiply
    27,737.73x = 38,278.41 × 15,162.48
  4. Step 4: Simplify right side
    27,737.73x = 580,395,626.06
  5. Step 5: Solve for x
    x = 580,395,626.06/27,737.73
  6. Step 6: Final answer
    x = 20,924.41

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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.