Home / 26,958.99-37,218.93-20,535.15

Finding the Fourth Proportional to 26,958.99, 37,218.93 and 20,535.15

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Solution

The fourth proportional to 26,958.99, 37,218.93 and 20,535.15 is: 28,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958.99 : 37,218.93 = 20,535.15 : x
  2. Step 2: Convert to fraction form
    26,958.99/37,218.93 = 20,535.15/x
  3. Step 3: Cross multiply
    26,958.99x = 37,218.93 × 20,535.15
  4. Step 4: Simplify right side
    26,958.99x = 764,296,310.39
  5. Step 5: Solve for x
    x = 764,296,310.39/26,958.99
  6. Step 6: Final answer
    x = 28,350.33

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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.