Home / 26,436.78-39,653.22-9,789.06

Finding the Fourth Proportional to 26,436.78, 39,653.22 and 9,789.06

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Solution

The fourth proportional to 26,436.78, 39,653.22 and 9,789.06 is: 14,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.78 : 39,653.22 = 9,789.06 : x
  2. Step 2: Convert to fraction form
    26,436.78/39,653.22 = 9,789.06/x
  3. Step 3: Cross multiply
    26,436.78x = 39,653.22 × 9,789.06
  4. Step 4: Simplify right side
    26,436.78x = 388,167,749.77
  5. Step 5: Solve for x
    x = 388,167,749.77/26,436.78
  6. Step 6: Final answer
    x = 14,682.87

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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.