Home / 20,975.04-28,945.92-12,024

Finding the Fourth Proportional to 20,975.04, 28,945.92 and 12,024

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Solution

The fourth proportional to 20,975.04, 28,945.92 and 12,024 is: 16,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.04 : 28,945.92 = 12,024 : x
  2. Step 2: Convert to fraction form
    20,975.04/28,945.92 = 12,024/x
  3. Step 3: Cross multiply
    20,975.04x = 28,945.92 × 12,024
  4. Step 4: Simplify right side
    20,975.04x = 348,045,742.08
  5. Step 5: Solve for x
    x = 348,045,742.08/20,975.04
  6. Step 6: Final answer
    x = 16,593.33

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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.