Home / 27,381.78-37,790.96-16,777.57

Finding the Fourth Proportional to 27,381.78, 37,790.96 and 16,777.57

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Solution

The fourth proportional to 27,381.78, 37,790.96 and 16,777.57 is: 23,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.78 : 37,790.96 = 16,777.57 : x
  2. Step 2: Convert to fraction form
    27,381.78/37,790.96 = 16,777.57/x
  3. Step 3: Cross multiply
    27,381.78x = 37,790.96 × 16,777.57
  4. Step 4: Simplify right side
    27,381.78x = 634,040,476.77
  5. Step 5: Solve for x
    x = 634,040,476.77/27,381.78
  6. Step 6: Final answer
    x = 23,155.56

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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.