Home / 27,926.12-38,537.07-15,350.78

Finding the Fourth Proportional to 27,926.12, 38,537.07 and 15,350.78

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Solution

The fourth proportional to 27,926.12, 38,537.07 and 15,350.78 is: 21,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.12 : 38,537.07 = 15,350.78 : x
  2. Step 2: Convert to fraction form
    27,926.12/38,537.07 = 15,350.78/x
  3. Step 3: Cross multiply
    27,926.12x = 38,537.07 × 15,350.78
  4. Step 4: Simplify right side
    27,926.12x = 591,574,083.41
  5. Step 5: Solve for x
    x = 591,574,083.41/27,926.12
  6. Step 6: Final answer
    x = 21,183.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.