Home / 26,447.23-39,670.98-8,917.21

Finding the Fourth Proportional to 26,447.23, 39,670.98 and 8,917.21

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Solution

The fourth proportional to 26,447.23, 39,670.98 and 8,917.21 is: 13,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.23 : 39,670.98 = 8,917.21 : x
  2. Step 2: Convert to fraction form
    26,447.23/39,670.98 = 8,917.21/x
  3. Step 3: Cross multiply
    26,447.23x = 39,670.98 × 8,917.21
  4. Step 4: Simplify right side
    26,447.23x = 353,754,338.10
  5. Step 5: Solve for x
    x = 353,754,338.10/26,447.23
  6. Step 6: Final answer
    x = 13,375.86

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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.