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Finding the Fourth Proportional to 28,593, 42,895.98 and 10,125

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Solution

The fourth proportional to 28,593, 42,895.98 and 10,125 is: 15,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593 : 42,895.98 = 10,125 : x
  2. Step 2: Convert to fraction form
    28,593/42,895.98 = 10,125/x
  3. Step 3: Cross multiply
    28,593x = 42,895.98 × 10,125
  4. Step 4: Simplify right side
    28,593x = 434,321,797.50
  5. Step 5: Solve for x
    x = 434,321,797.50/28,593
  6. Step 6: Final answer
    x = 15,189.79

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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.