Home / 28,067.12-42,076.16-10,537.28

Finding the Fourth Proportional to 28,067.12, 42,076.16 and 10,537.28

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Solution

The fourth proportional to 28,067.12, 42,076.16 and 10,537.28 is: 15,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.12 : 42,076.16 = 10,537.28 : x
  2. Step 2: Convert to fraction form
    28,067.12/42,076.16 = 10,537.28/x
  3. Step 3: Cross multiply
    28,067.12x = 42,076.16 × 10,537.28
  4. Step 4: Simplify right side
    28,067.12x = 443,368,279.24
  5. Step 5: Solve for x
    x = 443,368,279.24/28,067.12
  6. Step 6: Final answer
    x = 15,796.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.