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Finding the Fourth Proportional to 26,326.69, 39,490.03 and 7,858.69

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Solution

The fourth proportional to 26,326.69, 39,490.03 and 7,858.69 is: 11,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.69 : 39,490.03 = 7,858.69 : x
  2. Step 2: Convert to fraction form
    26,326.69/39,490.03 = 7,858.69/x
  3. Step 3: Cross multiply
    26,326.69x = 39,490.03 × 7,858.69
  4. Step 4: Simplify right side
    26,326.69x = 310,339,814.96
  5. Step 5: Solve for x
    x = 310,339,814.96/26,326.69
  6. Step 6: Final answer
    x = 11,788.03

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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.