Home / 27,603.20-41,393.73-11,815.76

Finding the Fourth Proportional to 27,603.20, 41,393.73 and 11,815.76

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Solution

The fourth proportional to 27,603.20, 41,393.73 and 11,815.76 is: 17,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.20 : 41,393.73 = 11,815.76 : x
  2. Step 2: Convert to fraction form
    27,603.20/41,393.73 = 11,815.76/x
  3. Step 3: Cross multiply
    27,603.20x = 41,393.73 × 11,815.76
  4. Step 4: Simplify right side
    27,603.20x = 489,098,379.18
  5. Step 5: Solve for x
    x = 489,098,379.18/27,603.20
  6. Step 6: Final answer
    x = 17,718.90

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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.