Home / 27,106.97-37,400.49-15,619.05

Finding the Fourth Proportional to 27,106.97, 37,400.49 and 15,619.05

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Solution

The fourth proportional to 27,106.97, 37,400.49 and 15,619.05 is: 21,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.97 : 37,400.49 = 15,619.05 : x
  2. Step 2: Convert to fraction form
    27,106.97/37,400.49 = 15,619.05/x
  3. Step 3: Cross multiply
    27,106.97x = 37,400.49 × 15,619.05
  4. Step 4: Simplify right side
    27,106.97x = 584,160,123.33
  5. Step 5: Solve for x
    x = 584,160,123.33/27,106.97
  6. Step 6: Final answer
    x = 21,550.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.