Home / 28,584.49-42,803.30-18,694.93

Finding the Fourth Proportional to 28,584.49, 42,803.30 and 18,694.93

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Solution

The fourth proportional to 28,584.49, 42,803.30 and 18,694.93 is: 27,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.49 : 42,803.30 = 18,694.93 : x
  2. Step 2: Convert to fraction form
    28,584.49/42,803.30 = 18,694.93/x
  3. Step 3: Cross multiply
    28,584.49x = 42,803.30 × 18,694.93
  4. Step 4: Simplify right side
    28,584.49x = 800,204,780.91
  5. Step 5: Solve for x
    x = 800,204,780.91/28,584.49
  6. Step 6: Final answer
    x = 27,994.37

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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.