Home / 28,938.02-43,408.50-8,163.14

Finding the Fourth Proportional to 28,938.02, 43,408.50 and 8,163.14

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Solution

The fourth proportional to 28,938.02, 43,408.50 and 8,163.14 is: 12,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.02 : 43,408.50 = 8,163.14 : x
  2. Step 2: Convert to fraction form
    28,938.02/43,408.50 = 8,163.14/x
  3. Step 3: Cross multiply
    28,938.02x = 43,408.50 × 8,163.14
  4. Step 4: Simplify right side
    28,938.02x = 354,349,662.69
  5. Step 5: Solve for x
    x = 354,349,662.69/28,938.02
  6. Step 6: Final answer
    x = 12,245.12

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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.