Home / 37,890.37-52,286.27-20,894.68

Finding the Fourth Proportional to 37,890.37, 52,286.27 and 20,894.68

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Solution

The fourth proportional to 37,890.37, 52,286.27 and 20,894.68 is: 28,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.37 : 52,286.27 = 20,894.68 : x
  2. Step 2: Convert to fraction form
    37,890.37/52,286.27 = 20,894.68/x
  3. Step 3: Cross multiply
    37,890.37x = 52,286.27 × 20,894.68
  4. Step 4: Simplify right side
    37,890.37x = 1,092,504,880.04
  5. Step 5: Solve for x
    x = 1,092,504,880.04/37,890.37
  6. Step 6: Final answer
    x = 28,833.31

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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.