Home / 26,402.09-39,599.82-8,631.26

Finding the Fourth Proportional to 26,402.09, 39,599.82 and 8,631.26

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Solution

The fourth proportional to 26,402.09, 39,599.82 and 8,631.26 is: 12,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.09 : 39,599.82 = 8,631.26 : x
  2. Step 2: Convert to fraction form
    26,402.09/39,599.82 = 8,631.26/x
  3. Step 3: Cross multiply
    26,402.09x = 39,599.82 × 8,631.26
  4. Step 4: Simplify right side
    26,402.09x = 341,796,342.37
  5. Step 5: Solve for x
    x = 341,796,342.37/26,402.09
  6. Step 6: Final answer
    x = 12,945.81

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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.