Home / 28,709.82-43,073.10-17,623.62

Finding the Fourth Proportional to 28,709.82, 43,073.10 and 17,623.62

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Solution

The fourth proportional to 28,709.82, 43,073.10 and 17,623.62 is: 26,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.82 : 43,073.10 = 17,623.62 : x
  2. Step 2: Convert to fraction form
    28,709.82/43,073.10 = 17,623.62/x
  3. Step 3: Cross multiply
    28,709.82x = 43,073.10 × 17,623.62
  4. Step 4: Simplify right side
    28,709.82x = 759,103,946.62
  5. Step 5: Solve for x
    x = 759,103,946.62/28,709.82
  6. Step 6: Final answer
    x = 26,440.57

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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.