Home / 27,167.98-40,779.63-18,735.02

Finding the Fourth Proportional to 27,167.98, 40,779.63 and 18,735.02

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Solution

The fourth proportional to 27,167.98, 40,779.63 and 18,735.02 is: 28,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.98 : 40,779.63 = 18,735.02 : x
  2. Step 2: Convert to fraction form
    27,167.98/40,779.63 = 18,735.02/x
  3. Step 3: Cross multiply
    27,167.98x = 40,779.63 × 18,735.02
  4. Step 4: Simplify right side
    27,167.98x = 764,007,285.59
  5. Step 5: Solve for x
    x = 764,007,285.59/27,167.98
  6. Step 6: Final answer
    x = 28,121.61

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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.