Home / 27,381.24-37,786.20-15,444.57

Finding the Fourth Proportional to 27,381.24, 37,786.20 and 15,444.57

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Solution

The fourth proportional to 27,381.24, 37,786.20 and 15,444.57 is: 21,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.24 : 37,786.20 = 15,444.57 : x
  2. Step 2: Convert to fraction form
    27,381.24/37,786.20 = 15,444.57/x
  3. Step 3: Cross multiply
    27,381.24x = 37,786.20 × 15,444.57
  4. Step 4: Simplify right side
    27,381.24x = 583,591,694.72
  5. Step 5: Solve for x
    x = 583,591,694.72/27,381.24
  6. Step 6: Final answer
    x = 21,313.56

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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.