Home / 26,081.09-39,112.37-9,436.80

Finding the Fourth Proportional to 26,081.09, 39,112.37 and 9,436.80

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Solution

The fourth proportional to 26,081.09, 39,112.37 and 9,436.80 is: 14,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.09 : 39,112.37 = 9,436.80 : x
  2. Step 2: Convert to fraction form
    26,081.09/39,112.37 = 9,436.80/x
  3. Step 3: Cross multiply
    26,081.09x = 39,112.37 × 9,436.80
  4. Step 4: Simplify right side
    26,081.09x = 369,095,748.09
  5. Step 5: Solve for x
    x = 369,095,748.09/26,081.09
  6. Step 6: Final answer
    x = 14,151.85

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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.