Home / 28,860.82-43,294.89-9,132.25

Finding the Fourth Proportional to 28,860.82, 43,294.89 and 9,132.25

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Solution

The fourth proportional to 28,860.82, 43,294.89 and 9,132.25 is: 13,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.82 : 43,294.89 = 9,132.25 : x
  2. Step 2: Convert to fraction form
    28,860.82/43,294.89 = 9,132.25/x
  3. Step 3: Cross multiply
    28,860.82x = 43,294.89 × 9,132.25
  4. Step 4: Simplify right side
    28,860.82x = 395,379,759.20
  5. Step 5: Solve for x
    x = 395,379,759.20/28,860.82
  6. Step 6: Final answer
    x = 13,699.53

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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.