Home / 28,571.27-39,447.86-17,820.36

Finding the Fourth Proportional to 28,571.27, 39,447.86 and 17,820.36

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Solution

The fourth proportional to 28,571.27, 39,447.86 and 17,820.36 is: 24,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.27 : 39,447.86 = 17,820.36 : x
  2. Step 2: Convert to fraction form
    28,571.27/39,447.86 = 17,820.36/x
  3. Step 3: Cross multiply
    28,571.27x = 39,447.86 × 17,820.36
  4. Step 4: Simplify right side
    28,571.27x = 702,974,977.33
  5. Step 5: Solve for x
    x = 702,974,977.33/28,571.27
  6. Step 6: Final answer
    x = 24,604.27

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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.