Home / 27,436.77-41,112.23-21,212.15

Finding the Fourth Proportional to 27,436.77, 41,112.23 and 21,212.15

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Solution

The fourth proportional to 27,436.77, 41,112.23 and 21,212.15 is: 31,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.77 : 41,112.23 = 21,212.15 : x
  2. Step 2: Convert to fraction form
    27,436.77/41,112.23 = 21,212.15/x
  3. Step 3: Cross multiply
    27,436.77x = 41,112.23 × 21,212.15
  4. Step 4: Simplify right side
    27,436.77x = 872,078,477.97
  5. Step 5: Solve for x
    x = 872,078,477.97/27,436.77
  6. Step 6: Final answer
    x = 31,785.03

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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.