Home / 28,903.23-43,357.73-7,843.60

Finding the Fourth Proportional to 28,903.23, 43,357.73 and 7,843.60

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Solution

The fourth proportional to 28,903.23, 43,357.73 and 7,843.60 is: 11,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.23 : 43,357.73 = 7,843.60 : x
  2. Step 2: Convert to fraction form
    28,903.23/43,357.73 = 7,843.60/x
  3. Step 3: Cross multiply
    28,903.23x = 43,357.73 × 7,843.60
  4. Step 4: Simplify right side
    28,903.23x = 340,080,691.03
  5. Step 5: Solve for x
    x = 340,080,691.03/28,903.23
  6. Step 6: Final answer
    x = 11,766.18

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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.