Home / 28,546.38-39,395.07-15,971.22

Finding the Fourth Proportional to 28,546.38, 39,395.07 and 15,971.22

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Solution

The fourth proportional to 28,546.38, 39,395.07 and 15,971.22 is: 22,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.38 : 39,395.07 = 15,971.22 : x
  2. Step 2: Convert to fraction form
    28,546.38/39,395.07 = 15,971.22/x
  3. Step 3: Cross multiply
    28,546.38x = 39,395.07 × 15,971.22
  4. Step 4: Simplify right side
    28,546.38x = 629,187,329.89
  5. Step 5: Solve for x
    x = 629,187,329.89/28,546.38
  6. Step 6: Final answer
    x = 22,040.88

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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.