Home / 28,007.52-41,924.28-20,946

Finding the Fourth Proportional to 28,007.52, 41,924.28 and 20,946

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Solution

The fourth proportional to 28,007.52, 41,924.28 and 20,946 is: 31,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.52 : 41,924.28 = 20,946 : x
  2. Step 2: Convert to fraction form
    28,007.52/41,924.28 = 20,946/x
  3. Step 3: Cross multiply
    28,007.52x = 41,924.28 × 20,946
  4. Step 4: Simplify right side
    28,007.52x = 878,145,968.88
  5. Step 5: Solve for x
    x = 878,145,968.88/28,007.52
  6. Step 6: Final answer
    x = 31,353.94

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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.