Home / 26,129.80-39,194.70-15,736.20

Finding the Fourth Proportional to 26,129.80, 39,194.70 and 15,736.20

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Solution

The fourth proportional to 26,129.80, 39,194.70 and 15,736.20 is: 23,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.80 : 39,194.70 = 15,736.20 : x
  2. Step 2: Convert to fraction form
    26,129.80/39,194.70 = 15,736.20/x
  3. Step 3: Cross multiply
    26,129.80x = 39,194.70 × 15,736.20
  4. Step 4: Simplify right side
    26,129.80x = 616,775,638.14
  5. Step 5: Solve for x
    x = 616,775,638.14/26,129.80
  6. Step 6: Final answer
    x = 23,604.30

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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.