Home / 26,378.94-39,576.51-10,797.78

Finding the Fourth Proportional to 26,378.94, 39,576.51 and 10,797.78

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Solution

The fourth proportional to 26,378.94, 39,576.51 and 10,797.78 is: 16,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.94 : 39,576.51 = 10,797.78 : x
  2. Step 2: Convert to fraction form
    26,378.94/39,576.51 = 10,797.78/x
  3. Step 3: Cross multiply
    26,378.94x = 39,576.51 × 10,797.78
  4. Step 4: Simplify right side
    26,378.94x = 427,338,448.15
  5. Step 5: Solve for x
    x = 427,338,448.15/26,378.94
  6. Step 6: Final answer
    x = 16,199.99

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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.