Home / 28,977.06-43,382.85-19,086.18

Finding the Fourth Proportional to 28,977.06, 43,382.85 and 19,086.18

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Solution

The fourth proportional to 28,977.06, 43,382.85 and 19,086.18 is: 28,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.06 : 43,382.85 = 19,086.18 : x
  2. Step 2: Convert to fraction form
    28,977.06/43,382.85 = 19,086.18/x
  3. Step 3: Cross multiply
    28,977.06x = 43,382.85 × 19,086.18
  4. Step 4: Simplify right side
    28,977.06x = 828,012,884.01
  5. Step 5: Solve for x
    x = 828,012,884.01/28,977.06
  6. Step 6: Final answer
    x = 28,574.77

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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.