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Finding the Fourth Proportional to 28,203.27, 38,930.27 and 16,271.37

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Solution

The fourth proportional to 28,203.27, 38,930.27 and 16,271.37 is: 22,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.27 : 38,930.27 = 16,271.37 : x
  2. Step 2: Convert to fraction form
    28,203.27/38,930.27 = 16,271.37/x
  3. Step 3: Cross multiply
    28,203.27x = 38,930.27 × 16,271.37
  4. Step 4: Simplify right side
    28,203.27x = 633,448,746.01
  5. Step 5: Solve for x
    x = 633,448,746.01/28,203.27
  6. Step 6: Final answer
    x = 22,460.12

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1.5x scale

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.