Home / 28,408.86-42,593.85-15,247.98

Finding the Fourth Proportional to 28,408.86, 42,593.85 and 15,247.98

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Solution

The fourth proportional to 28,408.86, 42,593.85 and 15,247.98 is: 22,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408.86 : 42,593.85 = 15,247.98 : x
  2. Step 2: Convert to fraction form
    28,408.86/42,593.85 = 15,247.98/x
  3. Step 3: Cross multiply
    28,408.86x = 42,593.85 × 15,247.98
  4. Step 4: Simplify right side
    28,408.86x = 649,470,172.92
  5. Step 5: Solve for x
    x = 649,470,172.92/28,408.86
  6. Step 6: Final answer
    x = 22,861.54

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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.