Home / 38,485.22-57,722.22-10,406.88

Finding the Fourth Proportional to 38,485.22, 57,722.22 and 10,406.88

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Solution

The fourth proportional to 38,485.22, 57,722.22 and 10,406.88 is: 15,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.22 : 57,722.22 = 10,406.88 : x
  2. Step 2: Convert to fraction form
    38,485.22/57,722.22 = 10,406.88/x
  3. Step 3: Cross multiply
    38,485.22x = 57,722.22 × 10,406.88
  4. Step 4: Simplify right side
    38,485.22x = 600,708,216.87
  5. Step 5: Solve for x
    x = 600,708,216.87/38,485.22
  6. Step 6: Final answer
    x = 15,608.81

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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.