Home / 26,379.26-39,572.78-7,656.87

Finding the Fourth Proportional to 26,379.26, 39,572.78 and 7,656.87

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Solution

The fourth proportional to 26,379.26, 39,572.78 and 7,656.87 is: 11,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.26 : 39,572.78 = 7,656.87 : x
  2. Step 2: Convert to fraction form
    26,379.26/39,572.78 = 7,656.87/x
  3. Step 3: Cross multiply
    26,379.26x = 39,572.78 × 7,656.87
  4. Step 4: Simplify right side
    26,379.26x = 303,003,632.00
  5. Step 5: Solve for x
    x = 303,003,632.00/26,379.26
  6. Step 6: Final answer
    x = 11,486.43

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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.