Home / 27,705.92-41,528.10-21,110.36

Finding the Fourth Proportional to 27,705.92, 41,528.10 and 21,110.36

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Solution

The fourth proportional to 27,705.92, 41,528.10 and 21,110.36 is: 31,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.92 : 41,528.10 = 21,110.36 : x
  2. Step 2: Convert to fraction form
    27,705.92/41,528.10 = 21,110.36/x
  3. Step 3: Cross multiply
    27,705.92x = 41,528.10 × 21,110.36
  4. Step 4: Simplify right side
    27,705.92x = 876,673,141.12
  5. Step 5: Solve for x
    x = 876,673,141.12/27,705.92
  6. Step 6: Final answer
    x = 31,642.09

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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.