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Finding the Fourth Proportional to 28,824, 43,248.96 and 16,512

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Solution

The fourth proportional to 28,824, 43,248.96 and 16,512 is: 24,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824 : 43,248.96 = 16,512 : x
  2. Step 2: Convert to fraction form
    28,824/43,248.96 = 16,512/x
  3. Step 3: Cross multiply
    28,824x = 43,248.96 × 16,512
  4. Step 4: Simplify right side
    28,824x = 714,126,827.52
  5. Step 5: Solve for x
    x = 714,126,827.52/28,824
  6. Step 6: Final answer
    x = 24,775.42

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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.