Home / 28,584.90-42,877.37-11,935.85

Finding the Fourth Proportional to 28,584.90, 42,877.37 and 11,935.85

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Solution

The fourth proportional to 28,584.90, 42,877.37 and 11,935.85 is: 17,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.90 : 42,877.37 = 11,935.85 : x
  2. Step 2: Convert to fraction form
    28,584.90/42,877.37 = 11,935.85/x
  3. Step 3: Cross multiply
    28,584.90x = 42,877.37 × 11,935.85
  4. Step 4: Simplify right side
    28,584.90x = 511,777,856.71
  5. Step 5: Solve for x
    x = 511,777,856.71/28,584.90
  6. Step 6: Final answer
    x = 17,903.78

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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.