Home / 28,845.56-43,249.74-11,317.16

Finding the Fourth Proportional to 28,845.56, 43,249.74 and 11,317.16

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Solution

The fourth proportional to 28,845.56, 43,249.74 and 11,317.16 is: 16,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.56 : 43,249.74 = 11,317.16 : x
  2. Step 2: Convert to fraction form
    28,845.56/43,249.74 = 11,317.16/x
  3. Step 3: Cross multiply
    28,845.56x = 43,249.74 × 11,317.16
  4. Step 4: Simplify right side
    28,845.56x = 489,464,227.54
  5. Step 5: Solve for x
    x = 489,464,227.54/28,845.56
  6. Step 6: Final answer
    x = 16,968.44

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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.