Home / 27,322.54-41,003.27-21,088.78

Finding the Fourth Proportional to 27,322.54, 41,003.27 and 21,088.78

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Solution

The fourth proportional to 27,322.54, 41,003.27 and 21,088.78 is: 31,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.54 : 41,003.27 = 21,088.78 : x
  2. Step 2: Convert to fraction form
    27,322.54/41,003.27 = 21,088.78/x
  3. Step 3: Cross multiply
    27,322.54x = 41,003.27 × 21,088.78
  4. Step 4: Simplify right side
    27,322.54x = 864,708,940.31
  5. Step 5: Solve for x
    x = 864,708,940.31/27,322.54
  6. Step 6: Final answer
    x = 31,648.19

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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.