Home / 26,855.55-40,280.25-7,135.71

Finding the Fourth Proportional to 26,855.55, 40,280.25 and 7,135.71

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Solution

The fourth proportional to 26,855.55, 40,280.25 and 7,135.71 is: 10,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.55 : 40,280.25 = 7,135.71 : x
  2. Step 2: Convert to fraction form
    26,855.55/40,280.25 = 7,135.71/x
  3. Step 3: Cross multiply
    26,855.55x = 40,280.25 × 7,135.71
  4. Step 4: Simplify right side
    26,855.55x = 287,428,182.73
  5. Step 5: Solve for x
    x = 287,428,182.73/26,855.55
  6. Step 6: Final answer
    x = 10,702.75

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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.