Home / 26,855.48-40,280.03-7,135.55

Finding the Fourth Proportional to 26,855.48, 40,280.03 and 7,135.55

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Solution

The fourth proportional to 26,855.48, 40,280.03 and 7,135.55 is: 10,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.48 : 40,280.03 = 7,135.55 : x
  2. Step 2: Convert to fraction form
    26,855.48/40,280.03 = 7,135.55/x
  3. Step 3: Cross multiply
    26,855.48x = 40,280.03 × 7,135.55
  4. Step 4: Simplify right side
    26,855.48x = 287,420,132.39
  5. Step 5: Solve for x
    x = 287,420,132.39/26,855.48
  6. Step 6: Final answer
    x = 10,702.48

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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.