Home / 28,548.24-39,396.62-15,973

Finding the Fourth Proportional to 28,548.24, 39,396.62 and 15,973

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Solution

The fourth proportional to 28,548.24, 39,396.62 and 15,973 is: 22,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.24 : 39,396.62 = 15,973 : x
  2. Step 2: Convert to fraction form
    28,548.24/39,396.62 = 15,973/x
  3. Step 3: Cross multiply
    28,548.24x = 39,396.62 × 15,973
  4. Step 4: Simplify right side
    28,548.24x = 629,282,211.26
  5. Step 5: Solve for x
    x = 629,282,211.26/28,548.24
  6. Step 6: Final answer
    x = 22,042.77

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1.5x scale

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.