Home / 19,142.26-28,709.26-5,992.90

Finding the Fourth Proportional to 19,142.26, 28,709.26 and 5,992.90

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Solution

The fourth proportional to 19,142.26, 28,709.26 and 5,992.90 is: 8,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.26 : 28,709.26 = 5,992.90 : x
  2. Step 2: Convert to fraction form
    19,142.26/28,709.26 = 5,992.90/x
  3. Step 3: Cross multiply
    19,142.26x = 28,709.26 × 5,992.90
  4. Step 4: Simplify right side
    19,142.26x = 172,051,724.25
  5. Step 5: Solve for x
    x = 172,051,724.25/19,142.26
  6. Step 6: Final answer
    x = 8,988.06

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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.