Home / 28,963.50-43,362.60-19,072.62

Finding the Fourth Proportional to 28,963.50, 43,362.60 and 19,072.62

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Solution

The fourth proportional to 28,963.50, 43,362.60 and 19,072.62 is: 28,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.50 : 43,362.60 = 19,072.62 : x
  2. Step 2: Convert to fraction form
    28,963.50/43,362.60 = 19,072.62/x
  3. Step 3: Cross multiply
    28,963.50x = 43,362.60 × 19,072.62
  4. Step 4: Simplify right side
    28,963.50x = 827,038,392.01
  5. Step 5: Solve for x
    x = 827,038,392.01/28,963.50
  6. Step 6: Final answer
    x = 28,554.50

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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.