Home / 28,996.73-43,496-13,795.98

Finding the Fourth Proportional to 28,996.73, 43,496 and 13,795.98

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Solution

The fourth proportional to 28,996.73, 43,496 and 13,795.98 is: 20,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.73 : 43,496 = 13,795.98 : x
  2. Step 2: Convert to fraction form
    28,996.73/43,496 = 13,795.98/x
  3. Step 3: Cross multiply
    28,996.73x = 43,496 × 13,795.98
  4. Step 4: Simplify right side
    28,996.73x = 600,069,946.08
  5. Step 5: Solve for x
    x = 600,069,946.08/28,996.73
  6. Step 6: Final answer
    x = 20,694.40

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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.