Home / 28,660.83-42,729.62-27,932.50

Finding the Fourth Proportional to 28,660.83, 42,729.62 and 27,932.50

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Solution

The fourth proportional to 28,660.83, 42,729.62 and 27,932.50 is: 41,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.83 : 42,729.62 = 27,932.50 : x
  2. Step 2: Convert to fraction form
    28,660.83/42,729.62 = 27,932.50/x
  3. Step 3: Cross multiply
    28,660.83x = 42,729.62 × 27,932.50
  4. Step 4: Simplify right side
    28,660.83x = 1,193,544,864.16
  5. Step 5: Solve for x
    x = 1,193,544,864.16/28,660.83
  6. Step 6: Final answer
    x = 41,643.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.