Home / 26,868.20-40,302.30-18,573.80

Finding the Fourth Proportional to 26,868.20, 40,302.30 and 18,573.80

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Solution

The fourth proportional to 26,868.20, 40,302.30 and 18,573.80 is: 27,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.20 : 40,302.30 = 18,573.80 : x
  2. Step 2: Convert to fraction form
    26,868.20/40,302.30 = 18,573.80/x
  3. Step 3: Cross multiply
    26,868.20x = 40,302.30 × 18,573.80
  4. Step 4: Simplify right side
    26,868.20x = 748,566,859.74
  5. Step 5: Solve for x
    x = 748,566,859.74/26,868.20
  6. Step 6: Final answer
    x = 27,860.70

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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.