Home / 27,976.92-41,916.96-19,641.12

Finding the Fourth Proportional to 27,976.92, 41,916.96 and 19,641.12

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Solution

The fourth proportional to 27,976.92, 41,916.96 and 19,641.12 is: 29,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.92 : 41,916.96 = 19,641.12 : x
  2. Step 2: Convert to fraction form
    27,976.92/41,916.96 = 19,641.12/x
  3. Step 3: Cross multiply
    27,976.92x = 41,916.96 × 19,641.12
  4. Step 4: Simplify right side
    27,976.92x = 823,296,041.40
  5. Step 5: Solve for x
    x = 823,296,041.40/27,976.92
  6. Step 6: Final answer
    x = 29,427.69

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1.5x scale

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.