Home / 28,946.09-43,418.31-9,225.83

Finding the Fourth Proportional to 28,946.09, 43,418.31 and 9,225.83

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Solution

The fourth proportional to 28,946.09, 43,418.31 and 9,225.83 is: 13,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.09 : 43,418.31 = 9,225.83 : x
  2. Step 2: Convert to fraction form
    28,946.09/43,418.31 = 9,225.83/x
  3. Step 3: Cross multiply
    28,946.09x = 43,418.31 × 9,225.83
  4. Step 4: Simplify right side
    28,946.09x = 400,569,729.86
  5. Step 5: Solve for x
    x = 400,569,729.86/28,946.09
  6. Step 6: Final answer
    x = 13,838.48

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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.