Home / 28,084.73-38,751.21-17,879.84

Finding the Fourth Proportional to 28,084.73, 38,751.21 and 17,879.84

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Solution

The fourth proportional to 28,084.73, 38,751.21 and 17,879.84 is: 24,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.73 : 38,751.21 = 17,879.84 : x
  2. Step 2: Convert to fraction form
    28,084.73/38,751.21 = 17,879.84/x
  3. Step 3: Cross multiply
    28,084.73x = 38,751.21 × 17,879.84
  4. Step 4: Simplify right side
    28,084.73x = 692,865,386.17
  5. Step 5: Solve for x
    x = 692,865,386.17/28,084.73
  6. Step 6: Final answer
    x = 24,670.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.