Home / 28,937.86-43,408.48-11,168.62

Finding the Fourth Proportional to 28,937.86, 43,408.48 and 11,168.62

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Solution

The fourth proportional to 28,937.86, 43,408.48 and 11,168.62 is: 16,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.86 : 43,408.48 = 11,168.62 : x
  2. Step 2: Convert to fraction form
    28,937.86/43,408.48 = 11,168.62/x
  3. Step 3: Cross multiply
    28,937.86x = 43,408.48 × 11,168.62
  4. Step 4: Simplify right side
    28,937.86x = 484,812,817.90
  5. Step 5: Solve for x
    x = 484,812,817.90/28,937.86
  6. Step 6: Final answer
    x = 16,753.58

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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.