Home / 28,553.56-39,404.04-15,977.50

Finding the Fourth Proportional to 28,553.56, 39,404.04 and 15,977.50

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Solution

The fourth proportional to 28,553.56, 39,404.04 and 15,977.50 is: 22,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.56 : 39,404.04 = 15,977.50 : x
  2. Step 2: Convert to fraction form
    28,553.56/39,404.04 = 15,977.50/x
  3. Step 3: Cross multiply
    28,553.56x = 39,404.04 × 15,977.50
  4. Step 4: Simplify right side
    28,553.56x = 629,578,049.10
  5. Step 5: Solve for x
    x = 629,578,049.10/28,553.56
  6. Step 6: Final answer
    x = 22,049.02

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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.