Home / 26,576.28-39,871.31-7,855.56

Finding the Fourth Proportional to 26,576.28, 39,871.31 and 7,855.56

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Solution

The fourth proportional to 26,576.28, 39,871.31 and 7,855.56 is: 11,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.28 : 39,871.31 = 7,855.56 : x
  2. Step 2: Convert to fraction form
    26,576.28/39,871.31 = 7,855.56/x
  3. Step 3: Cross multiply
    26,576.28x = 39,871.31 × 7,855.56
  4. Step 4: Simplify right side
    26,576.28x = 313,211,428.71
  5. Step 5: Solve for x
    x = 313,211,428.71/26,576.28
  6. Step 6: Final answer
    x = 11,785.38

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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.