Home / 26,259.36-39,391.38-8,729.34

Finding the Fourth Proportional to 26,259.36, 39,391.38 and 8,729.34

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Solution

The fourth proportional to 26,259.36, 39,391.38 and 8,729.34 is: 13,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.36 : 39,391.38 = 8,729.34 : x
  2. Step 2: Convert to fraction form
    26,259.36/39,391.38 = 8,729.34/x
  3. Step 3: Cross multiply
    26,259.36x = 39,391.38 × 8,729.34
  4. Step 4: Simplify right side
    26,259.36x = 343,860,749.09
  5. Step 5: Solve for x
    x = 343,860,749.09/26,259.36
  6. Step 6: Final answer
    x = 13,094.79

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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.