Home / 28,249.38-38,989.26-19,293.57

Finding the Fourth Proportional to 28,249.38, 38,989.26 and 19,293.57

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Solution

The fourth proportional to 28,249.38, 38,989.26 and 19,293.57 is: 26,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.38 : 38,989.26 = 19,293.57 : x
  2. Step 2: Convert to fraction form
    28,249.38/38,989.26 = 19,293.57/x
  3. Step 3: Cross multiply
    28,249.38x = 38,989.26 × 19,293.57
  4. Step 4: Simplify right side
    28,249.38x = 752,242,017.06
  5. Step 5: Solve for x
    x = 752,242,017.06/28,249.38
  6. Step 6: Final answer
    x = 26,628.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.