Home / 26,081.21-35,992.69-15,868.73

Finding the Fourth Proportional to 26,081.21, 35,992.69 and 15,868.73

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Solution

The fourth proportional to 26,081.21, 35,992.69 and 15,868.73 is: 21,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.21 : 35,992.69 = 15,868.73 : x
  2. Step 2: Convert to fraction form
    26,081.21/35,992.69 = 15,868.73/x
  3. Step 3: Cross multiply
    26,081.21x = 35,992.69 × 15,868.73
  4. Step 4: Simplify right side
    26,081.21x = 571,158,279.58
  5. Step 5: Solve for x
    x = 571,158,279.58/26,081.21
  6. Step 6: Final answer
    x = 21,899.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.