Home / 37,867.92-52,255.37-20,871.21

Finding the Fourth Proportional to 37,867.92, 52,255.37 and 20,871.21

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Solution

The fourth proportional to 37,867.92, 52,255.37 and 20,871.21 is: 28,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,867.92 : 52,255.37 = 20,871.21 : x
  2. Step 2: Convert to fraction form
    37,867.92/52,255.37 = 20,871.21/x
  3. Step 3: Cross multiply
    37,867.92x = 52,255.37 × 20,871.21
  4. Step 4: Simplify right side
    37,867.92x = 1,090,632,696.54
  5. Step 5: Solve for x
    x = 1,090,632,696.54/37,867.92
  6. Step 6: Final answer
    x = 28,800.97

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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.