Home / 26,889.98-40,331.72-7,170.12

Finding the Fourth Proportional to 26,889.98, 40,331.72 and 7,170.12

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Solution

The fourth proportional to 26,889.98, 40,331.72 and 7,170.12 is: 10,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.98 : 40,331.72 = 7,170.12 : x
  2. Step 2: Convert to fraction form
    26,889.98/40,331.72 = 7,170.12/x
  3. Step 3: Cross multiply
    26,889.98x = 40,331.72 × 7,170.12
  4. Step 4: Simplify right side
    26,889.98x = 289,183,290.13
  5. Step 5: Solve for x
    x = 289,183,290.13/26,889.98
  6. Step 6: Final answer
    x = 10,754.32

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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.