Home / 43,873.20-65,723.40-26,290.80

Finding the Fourth Proportional to 43,873.20, 65,723.40 and 26,290.80

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Solution

The fourth proportional to 43,873.20, 65,723.40 and 26,290.80 is: 39,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,873.20 : 65,723.40 = 26,290.80 : x
  2. Step 2: Convert to fraction form
    43,873.20/65,723.40 = 26,290.80/x
  3. Step 3: Cross multiply
    43,873.20x = 65,723.40 × 26,290.80
  4. Step 4: Simplify right side
    43,873.20x = 1,727,920,764.72
  5. Step 5: Solve for x
    x = 1,727,920,764.72/43,873.20
  6. Step 6: Final answer
    x = 39,384.43

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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.