Home / 31,726.36-43,777.38-17,578.72

Finding the Fourth Proportional to 31,726.36, 43,777.38 and 17,578.72

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Solution

The fourth proportional to 31,726.36, 43,777.38 and 17,578.72 is: 24,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.36 : 43,777.38 = 17,578.72 : x
  2. Step 2: Convert to fraction form
    31,726.36/43,777.38 = 17,578.72/x
  3. Step 3: Cross multiply
    31,726.36x = 43,777.38 × 17,578.72
  4. Step 4: Simplify right side
    31,726.36x = 769,550,305.35
  5. Step 5: Solve for x
    x = 769,550,305.35/31,726.36
  6. Step 6: Final answer
    x = 24,255.87

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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.