Home / 18,756.84-28,213.02-16,968.36

Finding the Fourth Proportional to 18,756.84, 28,213.02 and 16,968.36

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Solution

The fourth proportional to 18,756.84, 28,213.02 and 16,968.36 is: 25,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.84 : 28,213.02 = 16,968.36 : x
  2. Step 2: Convert to fraction form
    18,756.84/28,213.02 = 16,968.36/x
  3. Step 3: Cross multiply
    18,756.84x = 28,213.02 × 16,968.36
  4. Step 4: Simplify right side
    18,756.84x = 478,728,680.05
  5. Step 5: Solve for x
    x = 478,728,680.05/18,756.84
  6. Step 6: Final answer
    x = 25,522.89

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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.