Home / 26,391.05-39,576.65-8,617.56

Finding the Fourth Proportional to 26,391.05, 39,576.65 and 8,617.56

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Solution

The fourth proportional to 26,391.05, 39,576.65 and 8,617.56 is: 12,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.05 : 39,576.65 = 8,617.56 : x
  2. Step 2: Convert to fraction form
    26,391.05/39,576.65 = 8,617.56/x
  3. Step 3: Cross multiply
    26,391.05x = 39,576.65 × 8,617.56
  4. Step 4: Simplify right side
    26,391.05x = 341,054,112.89
  5. Step 5: Solve for x
    x = 341,054,112.89/26,391.05
  6. Step 6: Final answer
    x = 12,923.10

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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.