Home / 26,387.13-39,571.11-7,662.09

Finding the Fourth Proportional to 26,387.13, 39,571.11 and 7,662.09

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Solution

The fourth proportional to 26,387.13, 39,571.11 and 7,662.09 is: 11,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.13 : 39,571.11 = 7,662.09 : x
  2. Step 2: Convert to fraction form
    26,387.13/39,571.11 = 7,662.09/x
  3. Step 3: Cross multiply
    26,387.13x = 39,571.11 × 7,662.09
  4. Step 4: Simplify right side
    26,387.13x = 303,197,406.22
  5. Step 5: Solve for x
    x = 303,197,406.22/26,387.13
  6. Step 6: Final answer
    x = 11,490.35

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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.