Home / 28,634.14-39,507.02-18,563

Finding the Fourth Proportional to 28,634.14, 39,507.02 and 18,563

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Solution

The fourth proportional to 28,634.14, 39,507.02 and 18,563 is: 25,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.14 : 39,507.02 = 18,563 : x
  2. Step 2: Convert to fraction form
    28,634.14/39,507.02 = 18,563/x
  3. Step 3: Cross multiply
    28,634.14x = 39,507.02 × 18,563
  4. Step 4: Simplify right side
    28,634.14x = 733,368,812.26
  5. Step 5: Solve for x
    x = 733,368,812.26/28,634.14
  6. Step 6: Final answer
    x = 25,611.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.