Home / 28,584.80-42,886.92-18,042.56

Finding the Fourth Proportional to 28,584.80, 42,886.92 and 18,042.56

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Solution

The fourth proportional to 28,584.80, 42,886.92 and 18,042.56 is: 27,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.80 : 42,886.92 = 18,042.56 : x
  2. Step 2: Convert to fraction form
    28,584.80/42,886.92 = 18,042.56/x
  3. Step 3: Cross multiply
    28,584.80x = 42,886.92 × 18,042.56
  4. Step 4: Simplify right side
    28,584.80x = 773,789,827.32
  5. Step 5: Solve for x
    x = 773,789,827.32/28,584.80
  6. Step 6: Final answer
    x = 27,069.98

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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.