Home / 28,553.01-39,403.25-15,977.73

Finding the Fourth Proportional to 28,553.01, 39,403.25 and 15,977.73

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Solution

The fourth proportional to 28,553.01, 39,403.25 and 15,977.73 is: 22,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.01 : 39,403.25 = 15,977.73 : x
  2. Step 2: Convert to fraction form
    28,553.01/39,403.25 = 15,977.73/x
  3. Step 3: Cross multiply
    28,553.01x = 39,403.25 × 15,977.73
  4. Step 4: Simplify right side
    28,553.01x = 629,574,409.73
  5. Step 5: Solve for x
    x = 629,574,409.73/28,553.01
  6. Step 6: Final answer
    x = 22,049.32

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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.