Home / 28,832.98-43,249.20-9,111.53

Finding the Fourth Proportional to 28,832.98, 43,249.20 and 9,111.53

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Solution

The fourth proportional to 28,832.98, 43,249.20 and 9,111.53 is: 13,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.98 : 43,249.20 = 9,111.53 : x
  2. Step 2: Convert to fraction form
    28,832.98/43,249.20 = 9,111.53/x
  3. Step 3: Cross multiply
    28,832.98x = 43,249.20 × 9,111.53
  4. Step 4: Simplify right side
    28,832.98x = 394,066,383.28
  5. Step 5: Solve for x
    x = 394,066,383.28/28,832.98
  6. Step 6: Final answer
    x = 13,667.21

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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.