Home / 22,726.64-31,372.44-15,278.96

Finding the Fourth Proportional to 22,726.64, 31,372.44 and 15,278.96

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Solution

The fourth proportional to 22,726.64, 31,372.44 and 15,278.96 is: 21,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.64 : 31,372.44 = 15,278.96 : x
  2. Step 2: Convert to fraction form
    22,726.64/31,372.44 = 15,278.96/x
  3. Step 3: Cross multiply
    22,726.64x = 31,372.44 × 15,278.96
  4. Step 4: Simplify right side
    22,726.64x = 479,338,255.86
  5. Step 5: Solve for x
    x = 479,338,255.86/22,726.64
  6. Step 6: Final answer
    x = 21,091.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.