Home / 28,584.65-42,876.99-11,935.61

Finding the Fourth Proportional to 28,584.65, 42,876.99 and 11,935.61

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Solution

The fourth proportional to 28,584.65, 42,876.99 and 11,935.61 is: 17,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.65 : 42,876.99 = 11,935.61 : x
  2. Step 2: Convert to fraction form
    28,584.65/42,876.99 = 11,935.61/x
  3. Step 3: Cross multiply
    28,584.65x = 42,876.99 × 11,935.61
  4. Step 4: Simplify right side
    28,584.65x = 511,763,030.61
  5. Step 5: Solve for x
    x = 511,763,030.61/28,584.65
  6. Step 6: Final answer
    x = 17,903.42

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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.