Home / 26,850.11-40,271.99-7,130.18

Finding the Fourth Proportional to 26,850.11, 40,271.99 and 7,130.18

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Solution

The fourth proportional to 26,850.11, 40,271.99 and 7,130.18 is: 10,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,850.11 : 40,271.99 = 7,130.18 : x
  2. Step 2: Convert to fraction form
    26,850.11/40,271.99 = 7,130.18/x
  3. Step 3: Cross multiply
    26,850.11x = 40,271.99 × 7,130.18
  4. Step 4: Simplify right side
    26,850.11x = 287,146,300.65
  5. Step 5: Solve for x
    x = 287,146,300.65/26,850.11
  6. Step 6: Final answer
    x = 10,694.42

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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.