Home / 28,811.12-43,179.21-14,759.24

Finding the Fourth Proportional to 28,811.12, 43,179.21 and 14,759.24

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Solution

The fourth proportional to 28,811.12, 43,179.21 and 14,759.24 is: 22,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.12 : 43,179.21 = 14,759.24 : x
  2. Step 2: Convert to fraction form
    28,811.12/43,179.21 = 14,759.24/x
  3. Step 3: Cross multiply
    28,811.12x = 43,179.21 × 14,759.24
  4. Step 4: Simplify right side
    28,811.12x = 637,292,107.50
  5. Step 5: Solve for x
    x = 637,292,107.50/28,811.12
  6. Step 6: Final answer
    x = 22,119.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.