Home / 26,542.99-39,786.72-9,895.78

Finding the Fourth Proportional to 26,542.99, 39,786.72 and 9,895.78

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Solution

The fourth proportional to 26,542.99, 39,786.72 and 9,895.78 is: 14,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.99 : 39,786.72 = 9,895.78 : x
  2. Step 2: Convert to fraction form
    26,542.99/39,786.72 = 9,895.78/x
  3. Step 3: Cross multiply
    26,542.99x = 39,786.72 × 9,895.78
  4. Step 4: Simplify right side
    26,542.99x = 393,720,696.33
  5. Step 5: Solve for x
    x = 393,720,696.33/26,542.99
  6. Step 6: Final answer
    x = 14,833.32

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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.