Home / 29,231.60-43,789.80-16,905.20

Finding the Fourth Proportional to 29,231.60, 43,789.80 and 16,905.20

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Solution

The fourth proportional to 29,231.60, 43,789.80 and 16,905.20 is: 25,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.60 : 43,789.80 = 16,905.20 : x
  2. Step 2: Convert to fraction form
    29,231.60/43,789.80 = 16,905.20/x
  3. Step 3: Cross multiply
    29,231.60x = 43,789.80 × 16,905.20
  4. Step 4: Simplify right side
    29,231.60x = 740,275,326.96
  5. Step 5: Solve for x
    x = 740,275,326.96/29,231.60
  6. Step 6: Final answer
    x = 25,324.49

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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.