Home / 26,543.70-39,723.21-21,806.82

Finding the Fourth Proportional to 26,543.70, 39,723.21 and 21,806.82

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Solution

The fourth proportional to 26,543.70, 39,723.21 and 21,806.82 is: 32,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.70 : 39,723.21 = 21,806.82 : x
  2. Step 2: Convert to fraction form
    26,543.70/39,723.21 = 21,806.82/x
  3. Step 3: Cross multiply
    26,543.70x = 39,723.21 × 21,806.82
  4. Step 4: Simplify right side
    26,543.70x = 866,236,890.29
  5. Step 5: Solve for x
    x = 866,236,890.29/26,543.70
  6. Step 6: Final answer
    x = 32,634.37

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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.