Home / 28,440.18-42,671.25-11,795.94

Finding the Fourth Proportional to 28,440.18, 42,671.25 and 11,795.94

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Solution

The fourth proportional to 28,440.18, 42,671.25 and 11,795.94 is: 17,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.18 : 42,671.25 = 11,795.94 : x
  2. Step 2: Convert to fraction form
    28,440.18/42,671.25 = 11,795.94/x
  3. Step 3: Cross multiply
    28,440.18x = 42,671.25 × 11,795.94
  4. Step 4: Simplify right side
    28,440.18x = 503,347,504.73
  5. Step 5: Solve for x
    x = 503,347,504.73/28,440.18
  6. Step 6: Final answer
    x = 17,698.46

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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.