Home / 28,689.06-43,049.88-11,156.52

Finding the Fourth Proportional to 28,689.06, 43,049.88 and 11,156.52

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Solution

The fourth proportional to 28,689.06, 43,049.88 and 11,156.52 is: 16,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.06 : 43,049.88 = 11,156.52 : x
  2. Step 2: Convert to fraction form
    28,689.06/43,049.88 = 11,156.52/x
  3. Step 3: Cross multiply
    28,689.06x = 43,049.88 × 11,156.52
  4. Step 4: Simplify right side
    28,689.06x = 480,286,847.22
  5. Step 5: Solve for x
    x = 480,286,847.22/28,689.06
  6. Step 6: Final answer
    x = 16,741.11

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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.