Home / 27,907.07-38,512.44-15,160.25

Finding the Fourth Proportional to 27,907.07, 38,512.44 and 15,160.25

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Solution

The fourth proportional to 27,907.07, 38,512.44 and 15,160.25 is: 20,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.07 : 38,512.44 = 15,160.25 : x
  2. Step 2: Convert to fraction form
    27,907.07/38,512.44 = 15,160.25/x
  3. Step 3: Cross multiply
    27,907.07x = 38,512.44 × 15,160.25
  4. Step 4: Simplify right side
    27,907.07x = 583,858,025.95
  5. Step 5: Solve for x
    x = 583,858,025.95/27,907.07
  6. Step 6: Final answer
    x = 20,921.51

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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.