Home / 28,441.46-39,249.21-15,866.21

Finding the Fourth Proportional to 28,441.46, 39,249.21 and 15,866.21

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Solution

The fourth proportional to 28,441.46, 39,249.21 and 15,866.21 is: 21,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.46 : 39,249.21 = 15,866.21 : x
  2. Step 2: Convert to fraction form
    28,441.46/39,249.21 = 15,866.21/x
  3. Step 3: Cross multiply
    28,441.46x = 39,249.21 × 15,866.21
  4. Step 4: Simplify right side
    28,441.46x = 622,736,208.19
  5. Step 5: Solve for x
    x = 622,736,208.19/28,441.46
  6. Step 6: Final answer
    x = 21,895.37

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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.