Home / 27,107.58-37,412.39-15,620.25

Finding the Fourth Proportional to 27,107.58, 37,412.39 and 15,620.25

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Solution

The fourth proportional to 27,107.58, 37,412.39 and 15,620.25 is: 21,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.58 : 37,412.39 = 15,620.25 : x
  2. Step 2: Convert to fraction form
    27,107.58/37,412.39 = 15,620.25/x
  3. Step 3: Cross multiply
    27,107.58x = 37,412.39 × 15,620.25
  4. Step 4: Simplify right side
    27,107.58x = 584,390,806.80
  5. Step 5: Solve for x
    x = 584,390,806.80/27,107.58
  6. Step 6: Final answer
    x = 21,558.21

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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.