Home / 28,817.88-43,226.82-11,285.52

Finding the Fourth Proportional to 28,817.88, 43,226.82 and 11,285.52

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Solution

The fourth proportional to 28,817.88, 43,226.82 and 11,285.52 is: 16,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.88 : 43,226.82 = 11,285.52 : x
  2. Step 2: Convert to fraction form
    28,817.88/43,226.82 = 11,285.52/x
  3. Step 3: Cross multiply
    28,817.88x = 43,226.82 × 11,285.52
  4. Step 4: Simplify right side
    28,817.88x = 487,837,141.65
  5. Step 5: Solve for x
    x = 487,837,141.65/28,817.88
  6. Step 6: Final answer
    x = 16,928.28

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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.