Home / 28,902.58-43,359.73-16,428.58

Finding the Fourth Proportional to 28,902.58, 43,359.73 and 16,428.58

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Solution

The fourth proportional to 28,902.58, 43,359.73 and 16,428.58 is: 24,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.58 : 43,359.73 = 16,428.58 : x
  2. Step 2: Convert to fraction form
    28,902.58/43,359.73 = 16,428.58/x
  3. Step 3: Cross multiply
    28,902.58x = 43,359.73 × 16,428.58
  4. Step 4: Simplify right side
    28,902.58x = 712,338,793.08
  5. Step 5: Solve for x
    x = 712,338,793.08/28,902.58
  6. Step 6: Final answer
    x = 24,646.20

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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.