Home / 27,907.57-38,512.74-15,160.90

Finding the Fourth Proportional to 27,907.57, 38,512.74 and 15,160.90

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Solution

The fourth proportional to 27,907.57, 38,512.74 and 15,160.90 is: 20,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.57 : 38,512.74 = 15,160.90 : x
  2. Step 2: Convert to fraction form
    27,907.57/38,512.74 = 15,160.90/x
  3. Step 3: Cross multiply
    27,907.57x = 38,512.74 × 15,160.90
  4. Step 4: Simplify right side
    27,907.57x = 583,887,703.58
  5. Step 5: Solve for x
    x = 583,887,703.58/27,907.57
  6. Step 6: Final answer
    x = 20,922.20

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Similar ratio
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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.