Home / 28,845.59-43,268.36-8,069.09

Finding the Fourth Proportional to 28,845.59, 43,268.36 and 8,069.09

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Solution

The fourth proportional to 28,845.59, 43,268.36 and 8,069.09 is: 12,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.59 : 43,268.36 = 8,069.09 : x
  2. Step 2: Convert to fraction form
    28,845.59/43,268.36 = 8,069.09/x
  3. Step 3: Cross multiply
    28,845.59x = 43,268.36 × 8,069.09
  4. Step 4: Simplify right side
    28,845.59x = 349,136,034.31
  5. Step 5: Solve for x
    x = 349,136,034.31/28,845.59
  6. Step 6: Final answer
    x = 12,103.62

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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.