Home / 38,268.33-57,428.62-13,308.13

Finding the Fourth Proportional to 38,268.33, 57,428.62 and 13,308.13

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Solution

The fourth proportional to 38,268.33, 57,428.62 and 13,308.13 is: 19,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.33 : 57,428.62 = 13,308.13 : x
  2. Step 2: Convert to fraction form
    38,268.33/57,428.62 = 13,308.13/x
  3. Step 3: Cross multiply
    38,268.33x = 57,428.62 × 13,308.13
  4. Step 4: Simplify right side
    38,268.33x = 764,267,579.20
  5. Step 5: Solve for x
    x = 764,267,579.20/38,268.33
  6. Step 6: Final answer
    x = 19,971.28

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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.