Home / 28,776.34-43,144.41-12,757.16

Finding the Fourth Proportional to 28,776.34, 43,144.41 and 12,757.16

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Solution

The fourth proportional to 28,776.34, 43,144.41 and 12,757.16 is: 19,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.34 : 43,144.41 = 12,757.16 : x
  2. Step 2: Convert to fraction form
    28,776.34/43,144.41 = 12,757.16/x
  3. Step 3: Cross multiply
    28,776.34x = 43,144.41 × 12,757.16
  4. Step 4: Simplify right side
    28,776.34x = 550,400,185.55
  5. Step 5: Solve for x
    x = 550,400,185.55/28,776.34
  6. Step 6: Final answer
    x = 19,126.83

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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.