Home / 28,891.82-43,319.62-11,341.28

Finding the Fourth Proportional to 28,891.82, 43,319.62 and 11,341.28

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Solution

The fourth proportional to 28,891.82, 43,319.62 and 11,341.28 is: 17,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.82 : 43,319.62 = 11,341.28 : x
  2. Step 2: Convert to fraction form
    28,891.82/43,319.62 = 11,341.28/x
  3. Step 3: Cross multiply
    28,891.82x = 43,319.62 × 11,341.28
  4. Step 4: Simplify right side
    28,891.82x = 491,299,939.91
  5. Step 5: Solve for x
    x = 491,299,939.91/28,891.82
  6. Step 6: Final answer
    x = 17,004.81

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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.