Home / 28,934.16-43,345.14-19,043.66

Finding the Fourth Proportional to 28,934.16, 43,345.14 and 19,043.66

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Solution

The fourth proportional to 28,934.16, 43,345.14 and 19,043.66 is: 28,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.16 : 43,345.14 = 19,043.66 : x
  2. Step 2: Convert to fraction form
    28,934.16/43,345.14 = 19,043.66/x
  3. Step 3: Cross multiply
    28,934.16x = 43,345.14 × 19,043.66
  4. Step 4: Simplify right side
    28,934.16x = 825,449,892.09
  5. Step 5: Solve for x
    x = 825,449,892.09/28,934.16
  6. Step 6: Final answer
    x = 28,528.56

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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.