Home / 27,375.36-37,777.44-15,439.68

Finding the Fourth Proportional to 27,375.36, 37,777.44 and 15,439.68

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Solution

The fourth proportional to 27,375.36, 37,777.44 and 15,439.68 is: 21,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.36 : 37,777.44 = 15,439.68 : x
  2. Step 2: Convert to fraction form
    27,375.36/37,777.44 = 15,439.68/x
  3. Step 3: Cross multiply
    27,375.36x = 37,777.44 × 15,439.68
  4. Step 4: Simplify right side
    27,375.36x = 583,271,584.82
  5. Step 5: Solve for x
    x = 583,271,584.82/27,375.36
  6. Step 6: Final answer
    x = 21,306.44

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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.