Home / 28,706.32-43,051.11-11,171.98

Finding the Fourth Proportional to 28,706.32, 43,051.11 and 11,171.98

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Solution

The fourth proportional to 28,706.32, 43,051.11 and 11,171.98 is: 16,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.32 : 43,051.11 = 11,171.98 : x
  2. Step 2: Convert to fraction form
    28,706.32/43,051.11 = 11,171.98/x
  3. Step 3: Cross multiply
    28,706.32x = 43,051.11 × 11,171.98
  4. Step 4: Simplify right side
    28,706.32x = 480,966,139.90
  5. Step 5: Solve for x
    x = 480,966,139.90/28,706.32
  6. Step 6: Final answer
    x = 16,754.71

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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.