Home / 27,907.44-38,514.68-15,334.60

Finding the Fourth Proportional to 27,907.44, 38,514.68 and 15,334.60

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Solution

The fourth proportional to 27,907.44, 38,514.68 and 15,334.60 is: 21,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.44 : 38,514.68 = 15,334.60 : x
  2. Step 2: Convert to fraction form
    27,907.44/38,514.68 = 15,334.60/x
  3. Step 3: Cross multiply
    27,907.44x = 38,514.68 × 15,334.60
  4. Step 4: Simplify right side
    27,907.44x = 590,607,211.93
  5. Step 5: Solve for x
    x = 590,607,211.93/27,907.44
  6. Step 6: Final answer
    x = 21,163.07

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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.