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Finding the Fourth Proportional to 17,926.70, 26,889.83 and 8,059.01

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Solution

The fourth proportional to 17,926.70, 26,889.83 and 8,059.01 is: 12,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.70 : 26,889.83 = 8,059.01 : x
  2. Step 2: Convert to fraction form
    17,926.70/26,889.83 = 8,059.01/x
  3. Step 3: Cross multiply
    17,926.70x = 26,889.83 × 8,059.01
  4. Step 4: Simplify right side
    17,926.70x = 216,705,234.12
  5. Step 5: Solve for x
    x = 216,705,234.12/17,926.70
  6. Step 6: Final answer
    x = 12,088.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.