Home / 28,984.04-39,996.96-16,408.52

Finding the Fourth Proportional to 28,984.04, 39,996.96 and 16,408.52

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Solution

The fourth proportional to 28,984.04, 39,996.96 and 16,408.52 is: 22,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.04 : 39,996.96 = 16,408.52 : x
  2. Step 2: Convert to fraction form
    28,984.04/39,996.96 = 16,408.52/x
  3. Step 3: Cross multiply
    28,984.04x = 39,996.96 × 16,408.52
  4. Step 4: Simplify right side
    28,984.04x = 656,290,918.10
  5. Step 5: Solve for x
    x = 656,290,918.10/28,984.04
  6. Step 6: Final answer
    x = 22,643.18

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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.