Home / 28,926.82-43,414.89-11,408.95

Finding the Fourth Proportional to 28,926.82, 43,414.89 and 11,408.95

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Solution

The fourth proportional to 28,926.82, 43,414.89 and 11,408.95 is: 17,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.82 : 43,414.89 = 11,408.95 : x
  2. Step 2: Convert to fraction form
    28,926.82/43,414.89 = 11,408.95/x
  3. Step 3: Cross multiply
    28,926.82x = 43,414.89 × 11,408.95
  4. Step 4: Simplify right side
    28,926.82x = 495,318,320.75
  5. Step 5: Solve for x
    x = 495,318,320.75/28,926.82
  6. Step 6: Final answer
    x = 17,123.15

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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.