Home / 28,548.06-39,396.42-15,972

Finding the Fourth Proportional to 28,548.06, 39,396.42 and 15,972

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Solution

The fourth proportional to 28,548.06, 39,396.42 and 15,972 is: 22,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.06 : 39,396.42 = 15,972 : x
  2. Step 2: Convert to fraction form
    28,548.06/39,396.42 = 15,972/x
  3. Step 3: Cross multiply
    28,548.06x = 39,396.42 × 15,972
  4. Step 4: Simplify right side
    28,548.06x = 629,239,620.24
  5. Step 5: Solve for x
    x = 629,239,620.24/28,548.06
  6. Step 6: Final answer
    x = 22,041.41

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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.