Home / 27,438.24-37,863.92-15,338.42

Finding the Fourth Proportional to 27,438.24, 37,863.92 and 15,338.42

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Solution

The fourth proportional to 27,438.24, 37,863.92 and 15,338.42 is: 21,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.24 : 37,863.92 = 15,338.42 : x
  2. Step 2: Convert to fraction form
    27,438.24/37,863.92 = 15,338.42/x
  3. Step 3: Cross multiply
    27,438.24x = 37,863.92 × 15,338.42
  4. Step 4: Simplify right side
    27,438.24x = 580,772,707.81
  5. Step 5: Solve for x
    x = 580,772,707.81/27,438.24
  6. Step 6: Final answer
    x = 21,166.54

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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.