Home / 28,091.44-42,158.92-10,577.20

Finding the Fourth Proportional to 28,091.44, 42,158.92 and 10,577.20

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Solution

The fourth proportional to 28,091.44, 42,158.92 and 10,577.20 is: 15,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.44 : 42,158.92 = 10,577.20 : x
  2. Step 2: Convert to fraction form
    28,091.44/42,158.92 = 10,577.20/x
  3. Step 3: Cross multiply
    28,091.44x = 42,158.92 × 10,577.20
  4. Step 4: Simplify right side
    28,091.44x = 445,923,328.62
  5. Step 5: Solve for x
    x = 445,923,328.62/28,091.44
  6. Step 6: Final answer
    x = 15,873.99

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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.