Home / 26,897.80-40,367.60-18,635.72

Finding the Fourth Proportional to 26,897.80, 40,367.60 and 18,635.72

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Solution

The fourth proportional to 26,897.80, 40,367.60 and 18,635.72 is: 27,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.80 : 40,367.60 = 18,635.72 : x
  2. Step 2: Convert to fraction form
    26,897.80/40,367.60 = 18,635.72/x
  3. Step 3: Cross multiply
    26,897.80x = 40,367.60 × 18,635.72
  4. Step 4: Simplify right side
    26,897.80x = 752,279,290.67
  5. Step 5: Solve for x
    x = 752,279,290.67/26,897.80
  6. Step 6: Final answer
    x = 27,968.06

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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.