Home / 28,850.13-43,279.77-11,080.08

Finding the Fourth Proportional to 28,850.13, 43,279.77 and 11,080.08

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Solution

The fourth proportional to 28,850.13, 43,279.77 and 11,080.08 is: 16,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.13 : 43,279.77 = 11,080.08 : x
  2. Step 2: Convert to fraction form
    28,850.13/43,279.77 = 11,080.08/x
  3. Step 3: Cross multiply
    28,850.13x = 43,279.77 × 11,080.08
  4. Step 4: Simplify right side
    28,850.13x = 479,543,313.98
  5. Step 5: Solve for x
    x = 479,543,313.98/28,850.13
  6. Step 6: Final answer
    x = 16,621.88

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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.