Home / 27,860.73-41,780.70-11,215.14

Finding the Fourth Proportional to 27,860.73, 41,780.70 and 11,215.14

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Solution

The fourth proportional to 27,860.73, 41,780.70 and 11,215.14 is: 16,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.73 : 41,780.70 = 11,215.14 : x
  2. Step 2: Convert to fraction form
    27,860.73/41,780.70 = 11,215.14/x
  3. Step 3: Cross multiply
    27,860.73x = 41,780.70 × 11,215.14
  4. Step 4: Simplify right side
    27,860.73x = 468,576,399.80
  5. Step 5: Solve for x
    x = 468,576,399.80/27,860.73
  6. Step 6: Final answer
    x = 16,818.53

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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.