Home / 38,399.07-57,589.97-13,775.07

Finding the Fourth Proportional to 38,399.07, 57,589.97 and 13,775.07

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Solution

The fourth proportional to 38,399.07, 57,589.97 and 13,775.07 is: 20,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.07 : 57,589.97 = 13,775.07 : x
  2. Step 2: Convert to fraction form
    38,399.07/57,589.97 = 13,775.07/x
  3. Step 3: Cross multiply
    38,399.07x = 57,589.97 × 13,775.07
  4. Step 4: Simplify right side
    38,399.07x = 793,305,799.17
  5. Step 5: Solve for x
    x = 793,305,799.17/38,399.07
  6. Step 6: Final answer
    x = 20,659.51

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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.