Home / 27,230.78-37,577.84-15,130.60

Finding the Fourth Proportional to 27,230.78, 37,577.84 and 15,130.60

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Solution

The fourth proportional to 27,230.78, 37,577.84 and 15,130.60 is: 20,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.78 : 37,577.84 = 15,130.60 : x
  2. Step 2: Convert to fraction form
    27,230.78/37,577.84 = 15,130.60/x
  3. Step 3: Cross multiply
    27,230.78x = 37,577.84 × 15,130.60
  4. Step 4: Simplify right side
    27,230.78x = 568,575,265.90
  5. Step 5: Solve for x
    x = 568,575,265.90/27,230.78
  6. Step 6: Final answer
    x = 20,879.87

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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.