Home / 38,287.14-57,447.15-13,313.57

Finding the Fourth Proportional to 38,287.14, 57,447.15 and 13,313.57

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Solution

The fourth proportional to 38,287.14, 57,447.15 and 13,313.57 is: 19,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.14 : 57,447.15 = 13,313.57 : x
  2. Step 2: Convert to fraction form
    38,287.14/57,447.15 = 13,313.57/x
  3. Step 3: Cross multiply
    38,287.14x = 57,447.15 × 13,313.57
  4. Step 4: Simplify right side
    38,287.14x = 764,826,365.59
  5. Step 5: Solve for x
    x = 764,826,365.59/38,287.14
  6. Step 6: Final answer
    x = 19,976.06

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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.