Home / 21,085.73-31,627.52-6,294.77

Finding the Fourth Proportional to 21,085.73, 31,627.52 and 6,294.77

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Solution

The fourth proportional to 21,085.73, 31,627.52 and 6,294.77 is: 9,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.73 : 31,627.52 = 6,294.77 : x
  2. Step 2: Convert to fraction form
    21,085.73/31,627.52 = 6,294.77/x
  3. Step 3: Cross multiply
    21,085.73x = 31,627.52 × 6,294.77
  4. Step 4: Simplify right side
    21,085.73x = 199,087,932.60
  5. Step 5: Solve for x
    x = 199,087,932.60/21,085.73
  6. Step 6: Final answer
    x = 9,441.83

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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.