Home / 27,356.06-40,993.07-21,106.71

Finding the Fourth Proportional to 27,356.06, 40,993.07 and 21,106.71

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Solution

The fourth proportional to 27,356.06, 40,993.07 and 21,106.71 is: 31,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.06 : 40,993.07 = 21,106.71 : x
  2. Step 2: Convert to fraction form
    27,356.06/40,993.07 = 21,106.71/x
  3. Step 3: Cross multiply
    27,356.06x = 40,993.07 × 21,106.71
  4. Step 4: Simplify right side
    27,356.06x = 865,228,734.97
  5. Step 5: Solve for x
    x = 865,228,734.97/27,356.06
  6. Step 6: Final answer
    x = 31,628.41

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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.