Home / 26,299.94-39,435.32-8,760.20

Finding the Fourth Proportional to 26,299.94, 39,435.32 and 8,760.20

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Solution

The fourth proportional to 26,299.94, 39,435.32 and 8,760.20 is: 13,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.94 : 39,435.32 = 8,760.20 : x
  2. Step 2: Convert to fraction form
    26,299.94/39,435.32 = 8,760.20/x
  3. Step 3: Cross multiply
    26,299.94x = 39,435.32 × 8,760.20
  4. Step 4: Simplify right side
    26,299.94x = 345,461,290.26
  5. Step 5: Solve for x
    x = 345,461,290.26/26,299.94
  6. Step 6: Final answer
    x = 13,135.44

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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.