Home / 38,268.83-57,429.37-13,308.63

Finding the Fourth Proportional to 38,268.83, 57,429.37 and 13,308.63

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Solution

The fourth proportional to 38,268.83, 57,429.37 and 13,308.63 is: 19,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.83 : 57,429.37 = 13,308.63 : x
  2. Step 2: Convert to fraction form
    38,268.83/57,429.37 = 13,308.63/x
  3. Step 3: Cross multiply
    38,268.83x = 57,429.37 × 13,308.63
  4. Step 4: Simplify right side
    38,268.83x = 764,306,236.46
  5. Step 5: Solve for x
    x = 764,306,236.46/38,268.83
  6. Step 6: Final answer
    x = 19,972.03

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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.