Home / 28,825.37-39,779.06-16,079.38

Finding the Fourth Proportional to 28,825.37, 39,779.06 and 16,079.38

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Solution

The fourth proportional to 28,825.37, 39,779.06 and 16,079.38 is: 22,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.37 : 39,779.06 = 16,079.38 : x
  2. Step 2: Convert to fraction form
    28,825.37/39,779.06 = 16,079.38/x
  3. Step 3: Cross multiply
    28,825.37x = 39,779.06 × 16,079.38
  4. Step 4: Simplify right side
    28,825.37x = 639,622,441.94
  5. Step 5: Solve for x
    x = 639,622,441.94/28,825.37
  6. Step 6: Final answer
    x = 22,189.57

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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.