Home / 28,858.64-43,294.44-9,135.68

Finding the Fourth Proportional to 28,858.64, 43,294.44 and 9,135.68

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Solution

The fourth proportional to 28,858.64, 43,294.44 and 9,135.68 is: 13,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.64 : 43,294.44 = 9,135.68 : x
  2. Step 2: Convert to fraction form
    28,858.64/43,294.44 = 9,135.68/x
  3. Step 3: Cross multiply
    28,858.64x = 43,294.44 × 9,135.68
  4. Step 4: Simplify right side
    28,858.64x = 395,524,149.62
  5. Step 5: Solve for x
    x = 395,524,149.62/28,858.64
  6. Step 6: Final answer
    x = 13,705.57

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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.