Home / 26,576.29-39,786.67-20,977.57

Finding the Fourth Proportional to 26,576.29, 39,786.67 and 20,977.57

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Solution

The fourth proportional to 26,576.29, 39,786.67 and 20,977.57 is: 31,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.29 : 39,786.67 = 20,977.57 : x
  2. Step 2: Convert to fraction form
    26,576.29/39,786.67 = 20,977.57/x
  3. Step 3: Cross multiply
    26,576.29x = 39,786.67 × 20,977.57
  4. Step 4: Simplify right side
    26,576.29x = 834,627,654.99
  5. Step 5: Solve for x
    x = 834,627,654.99/26,576.29
  6. Step 6: Final answer
    x = 31,404.97

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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.