Home / 27,945.04-41,916.60-7,168.72

Finding the Fourth Proportional to 27,945.04, 41,916.60 and 7,168.72

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Solution

The fourth proportional to 27,945.04, 41,916.60 and 7,168.72 is: 10,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.04 : 41,916.60 = 7,168.72 : x
  2. Step 2: Convert to fraction form
    27,945.04/41,916.60 = 7,168.72/x
  3. Step 3: Cross multiply
    27,945.04x = 41,916.60 × 7,168.72
  4. Step 4: Simplify right side
    27,945.04x = 300,488,368.75
  5. Step 5: Solve for x
    x = 300,488,368.75/27,945.04
  6. Step 6: Final answer
    x = 10,752.83

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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.