Home / 28,474.24-39,284.04-17,860

Finding the Fourth Proportional to 28,474.24, 39,284.04 and 17,860

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Solution

The fourth proportional to 28,474.24, 39,284.04 and 17,860 is: 24,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.24 : 39,284.04 = 17,860 : x
  2. Step 2: Convert to fraction form
    28,474.24/39,284.04 = 17,860/x
  3. Step 3: Cross multiply
    28,474.24x = 39,284.04 × 17,860
  4. Step 4: Simplify right side
    28,474.24x = 701,612,954.40
  5. Step 5: Solve for x
    x = 701,612,954.40/28,474.24
  6. Step 6: Final answer
    x = 24,640.27

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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.