Home / 17,789.28-26,818.98-16,836.72

Finding the Fourth Proportional to 17,789.28, 26,818.98 and 16,836.72

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Solution

The fourth proportional to 17,789.28, 26,818.98 and 16,836.72 is: 25,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.28 : 26,818.98 = 16,836.72 : x
  2. Step 2: Convert to fraction form
    17,789.28/26,818.98 = 16,836.72/x
  3. Step 3: Cross multiply
    17,789.28x = 26,818.98 × 16,836.72
  4. Step 4: Simplify right side
    17,789.28x = 451,543,656.95
  5. Step 5: Solve for x
    x = 451,543,656.95/17,789.28
  6. Step 6: Final answer
    x = 25,382.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.