Home / 26,849.20-36,996.60-18,900.40

Finding the Fourth Proportional to 26,849.20, 36,996.60 and 18,900.40

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Solution

The fourth proportional to 26,849.20, 36,996.60 and 18,900.40 is: 26,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.20 : 36,996.60 = 18,900.40 : x
  2. Step 2: Convert to fraction form
    26,849.20/36,996.60 = 18,900.40/x
  3. Step 3: Cross multiply
    26,849.20x = 36,996.60 × 18,900.40
  4. Step 4: Simplify right side
    26,849.20x = 699,250,538.64
  5. Step 5: Solve for x
    x = 699,250,538.64/26,849.20
  6. Step 6: Final answer
    x = 26,043.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.