Home / 28,091.98-42,144.24-10,561.96

Finding the Fourth Proportional to 28,091.98, 42,144.24 and 10,561.96

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Solution

The fourth proportional to 28,091.98, 42,144.24 and 10,561.96 is: 15,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.98 : 42,144.24 = 10,561.96 : x
  2. Step 2: Convert to fraction form
    28,091.98/42,144.24 = 10,561.96/x
  3. Step 3: Cross multiply
    28,091.98x = 42,144.24 × 10,561.96
  4. Step 4: Simplify right side
    28,091.98x = 445,125,777.11
  5. Step 5: Solve for x
    x = 445,125,777.11/28,091.98
  6. Step 6: Final answer
    x = 15,845.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.