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Finding the Fourth Proportional to 17,959.72, 26,811.24 and 16,773.88

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Solution

The fourth proportional to 17,959.72, 26,811.24 and 16,773.88 is: 25,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.72 : 26,811.24 = 16,773.88 : x
  2. Step 2: Convert to fraction form
    17,959.72/26,811.24 = 16,773.88/x
  3. Step 3: Cross multiply
    17,959.72x = 26,811.24 × 16,773.88
  4. Step 4: Simplify right side
    17,959.72x = 449,728,522.41
  5. Step 5: Solve for x
    x = 449,728,522.41/17,959.72
  6. Step 6: Final answer
    x = 25,040.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.