Home / 26,589.20-39,883.79-18,243.91

Finding the Fourth Proportional to 26,589.20, 39,883.79 and 18,243.91

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Solution

The fourth proportional to 26,589.20, 39,883.79 and 18,243.91 is: 27,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.20 : 39,883.79 = 18,243.91 : x
  2. Step 2: Convert to fraction form
    26,589.20/39,883.79 = 18,243.91/x
  3. Step 3: Cross multiply
    26,589.20x = 39,883.79 × 18,243.91
  4. Step 4: Simplify right side
    26,589.20x = 727,636,275.22
  5. Step 5: Solve for x
    x = 727,636,275.22/26,589.20
  6. Step 6: Final answer
    x = 27,365.86

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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.