Home / 18,825.04-28,241.16-8,968.96

Finding the Fourth Proportional to 18,825.04, 28,241.16 and 8,968.96

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Solution

The fourth proportional to 18,825.04, 28,241.16 and 8,968.96 is: 13,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.04 : 28,241.16 = 8,968.96 : x
  2. Step 2: Convert to fraction form
    18,825.04/28,241.16 = 8,968.96/x
  3. Step 3: Cross multiply
    18,825.04x = 28,241.16 × 8,968.96
  4. Step 4: Simplify right side
    18,825.04x = 253,293,693.19
  5. Step 5: Solve for x
    x = 253,293,693.19/18,825.04
  6. Step 6: Final answer
    x = 13,455.15

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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.