Home / 26,993.26-37,249.09-15,661.88

Finding the Fourth Proportional to 26,993.26, 37,249.09 and 15,661.88

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Solution

The fourth proportional to 26,993.26, 37,249.09 and 15,661.88 is: 21,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.26 : 37,249.09 = 15,661.88 : x
  2. Step 2: Convert to fraction form
    26,993.26/37,249.09 = 15,661.88/x
  3. Step 3: Cross multiply
    26,993.26x = 37,249.09 × 15,661.88
  4. Step 4: Simplify right side
    26,993.26x = 583,390,777.69
  5. Step 5: Solve for x
    x = 583,390,777.69/26,993.26
  6. Step 6: Final answer
    x = 21,612.46

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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.