Home / 26,913.67-40,376.33-8,193.21

Finding the Fourth Proportional to 26,913.67, 40,376.33 and 8,193.21

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Solution

The fourth proportional to 26,913.67, 40,376.33 and 8,193.21 is: 12,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.67 : 40,376.33 = 8,193.21 : x
  2. Step 2: Convert to fraction form
    26,913.67/40,376.33 = 8,193.21/x
  3. Step 3: Cross multiply
    26,913.67x = 40,376.33 × 8,193.21
  4. Step 4: Simplify right side
    26,913.67x = 330,811,750.72
  5. Step 5: Solve for x
    x = 330,811,750.72/26,913.67
  6. Step 6: Final answer
    x = 12,291.59

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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.