Home / 28,950.24-43,427.04-8,172

Finding the Fourth Proportional to 28,950.24, 43,427.04 and 8,172

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Solution

The fourth proportional to 28,950.24, 43,427.04 and 8,172 is: 12,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.24 : 43,427.04 = 8,172 : x
  2. Step 2: Convert to fraction form
    28,950.24/43,427.04 = 8,172/x
  3. Step 3: Cross multiply
    28,950.24x = 43,427.04 × 8,172
  4. Step 4: Simplify right side
    28,950.24x = 354,885,770.88
  5. Step 5: Solve for x
    x = 354,885,770.88/28,950.24
  6. Step 6: Final answer
    x = 12,258.47

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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.