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Finding the Fourth Proportional to 28,806.48, 43,233.48 and 22,272.48

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Solution

The fourth proportional to 28,806.48, 43,233.48 and 22,272.48 is: 33,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.48 : 43,233.48 = 22,272.48 : x
  2. Step 2: Convert to fraction form
    28,806.48/43,233.48 = 22,272.48/x
  3. Step 3: Cross multiply
    28,806.48x = 43,233.48 × 22,272.48
  4. Step 4: Simplify right side
    28,806.48x = 962,916,818.63
  5. Step 5: Solve for x
    x = 962,916,818.63/28,806.48
  6. Step 6: Final answer
    x = 33,427.09

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1.5x scale

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.