Home / 28,795.90-39,724.76-16,851.84

Finding the Fourth Proportional to 28,795.90, 39,724.76 and 16,851.84

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Solution

The fourth proportional to 28,795.90, 39,724.76 and 16,851.84 is: 23,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.90 : 39,724.76 = 16,851.84 : x
  2. Step 2: Convert to fraction form
    28,795.90/39,724.76 = 16,851.84/x
  3. Step 3: Cross multiply
    28,795.90x = 39,724.76 × 16,851.84
  4. Step 4: Simplify right side
    28,795.90x = 669,435,299.56
  5. Step 5: Solve for x
    x = 669,435,299.56/28,795.90
  6. Step 6: Final answer
    x = 23,247.59

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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.