Home / 26,665.21-39,999.03-6,945.76

Finding the Fourth Proportional to 26,665.21, 39,999.03 and 6,945.76

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Solution

The fourth proportional to 26,665.21, 39,999.03 and 6,945.76 is: 10,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.21 : 39,999.03 = 6,945.76 : x
  2. Step 2: Convert to fraction form
    26,665.21/39,999.03 = 6,945.76/x
  3. Step 3: Cross multiply
    26,665.21x = 39,999.03 × 6,945.76
  4. Step 4: Simplify right side
    26,665.21x = 277,823,662.61
  5. Step 5: Solve for x
    x = 277,823,662.61/26,665.21
  6. Step 6: Final answer
    x = 10,418.96

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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.