Home / 21,026.88-31,546.98-6,235.86

Finding the Fourth Proportional to 21,026.88, 31,546.98 and 6,235.86

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Solution

The fourth proportional to 21,026.88, 31,546.98 and 6,235.86 is: 9,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.88 : 31,546.98 = 6,235.86 : x
  2. Step 2: Convert to fraction form
    21,026.88/31,546.98 = 6,235.86/x
  3. Step 3: Cross multiply
    21,026.88x = 31,546.98 × 6,235.86
  4. Step 4: Simplify right side
    21,026.88x = 196,722,550.70
  5. Step 5: Solve for x
    x = 196,722,550.70/21,026.88
  6. Step 6: Final answer
    x = 9,355.77

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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.