Home / 28,408.62-42,617.79-16,715.46

Finding the Fourth Proportional to 28,408.62, 42,617.79 and 16,715.46

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Solution

The fourth proportional to 28,408.62, 42,617.79 and 16,715.46 is: 25,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.62 : 42,617.79 = 16,715.46 : x
  2. Step 2: Convert to fraction form
    28,408.62/42,617.79 = 16,715.46/x
  3. Step 3: Cross multiply
    28,408.62x = 42,617.79 × 16,715.46
  4. Step 4: Simplify right side
    28,408.62x = 712,375,964.03
  5. Step 5: Solve for x
    x = 712,375,964.03/28,408.62
  6. Step 6: Final answer
    x = 25,076.05

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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.