Home / 26,678.22-39,933.45-18,309.30

Finding the Fourth Proportional to 26,678.22, 39,933.45 and 18,309.30

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Solution

The fourth proportional to 26,678.22, 39,933.45 and 18,309.30 is: 27,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.22 : 39,933.45 = 18,309.30 : x
  2. Step 2: Convert to fraction form
    26,678.22/39,933.45 = 18,309.30/x
  3. Step 3: Cross multiply
    26,678.22x = 39,933.45 × 18,309.30
  4. Step 4: Simplify right side
    26,678.22x = 731,153,516.09
  5. Step 5: Solve for x
    x = 731,153,516.09/26,678.22
  6. Step 6: Final answer
    x = 27,406.38

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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.