Home / 38,652.86-57,986.21-19,927.87

Finding the Fourth Proportional to 38,652.86, 57,986.21 and 19,927.87

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Solution

The fourth proportional to 38,652.86, 57,986.21 and 19,927.87 is: 29,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.86 : 57,986.21 = 19,927.87 : x
  2. Step 2: Convert to fraction form
    38,652.86/57,986.21 = 19,927.87/x
  3. Step 3: Cross multiply
    38,652.86x = 57,986.21 × 19,927.87
  4. Step 4: Simplify right side
    38,652.86x = 1,155,541,704.49
  5. Step 5: Solve for x
    x = 1,155,541,704.49/38,652.86
  6. Step 6: Final answer
    x = 29,895.37

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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.