Home / 22,726.28-31,370.82-13,297.88

Finding the Fourth Proportional to 22,726.28, 31,370.82 and 13,297.88

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Solution

The fourth proportional to 22,726.28, 31,370.82 and 13,297.88 is: 18,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.28 : 31,370.82 = 13,297.88 : x
  2. Step 2: Convert to fraction form
    22,726.28/31,370.82 = 13,297.88/x
  3. Step 3: Cross multiply
    22,726.28x = 31,370.82 × 13,297.88
  4. Step 4: Simplify right side
    22,726.28x = 417,165,399.86
  5. Step 5: Solve for x
    x = 417,165,399.86/22,726.28
  6. Step 6: Final answer
    x = 18,356.08

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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.