Home / 20,716.10-28,594.48-14,765.04

Finding the Fourth Proportional to 20,716.10, 28,594.48 and 14,765.04

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Solution

The fourth proportional to 20,716.10, 28,594.48 and 14,765.04 is: 20,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.10 : 28,594.48 = 14,765.04 : x
  2. Step 2: Convert to fraction form
    20,716.10/28,594.48 = 14,765.04/x
  3. Step 3: Cross multiply
    20,716.10x = 28,594.48 × 14,765.04
  4. Step 4: Simplify right side
    20,716.10x = 422,198,640.98
  5. Step 5: Solve for x
    x = 422,198,640.98/20,716.10
  6. Step 6: Final answer
    x = 20,380.22

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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.