Home / 28,680.14-43,012.01-14,631.41

Finding the Fourth Proportional to 28,680.14, 43,012.01 and 14,631.41

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Solution

The fourth proportional to 28,680.14, 43,012.01 and 14,631.41 is: 21,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.14 : 43,012.01 = 14,631.41 : x
  2. Step 2: Convert to fraction form
    28,680.14/43,012.01 = 14,631.41/x
  3. Step 3: Cross multiply
    28,680.14x = 43,012.01 × 14,631.41
  4. Step 4: Simplify right side
    28,680.14x = 629,326,497.34
  5. Step 5: Solve for x
    x = 629,326,497.34/28,680.14
  6. Step 6: Final answer
    x = 21,942.93

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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.