Home / 26,003.40-38,999.40-8,235.36

Finding the Fourth Proportional to 26,003.40, 38,999.40 and 8,235.36

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Solution

The fourth proportional to 26,003.40, 38,999.40 and 8,235.36 is: 12,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.40 : 38,999.40 = 8,235.36 : x
  2. Step 2: Convert to fraction form
    26,003.40/38,999.40 = 8,235.36/x
  3. Step 3: Cross multiply
    26,003.40x = 38,999.40 × 8,235.36
  4. Step 4: Simplify right side
    26,003.40x = 321,174,098.78
  5. Step 5: Solve for x
    x = 321,174,098.78/26,003.40
  6. Step 6: Final answer
    x = 12,351.23

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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.