Home / 28,067.12-42,094.64-10,538.24

Finding the Fourth Proportional to 28,067.12, 42,094.64 and 10,538.24

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Solution

The fourth proportional to 28,067.12, 42,094.64 and 10,538.24 is: 15,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.12 : 42,094.64 = 10,538.24 : x
  2. Step 2: Convert to fraction form
    28,067.12/42,094.64 = 10,538.24/x
  3. Step 3: Cross multiply
    28,067.12x = 42,094.64 × 10,538.24
  4. Step 4: Simplify right side
    28,067.12x = 443,603,419.03
  5. Step 5: Solve for x
    x = 443,603,419.03/28,067.12
  6. Step 6: Final answer
    x = 15,805.09

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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.