Home / 26,855.34-40,289.28-8,135.52

Finding the Fourth Proportional to 26,855.34, 40,289.28 and 8,135.52

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Solution

The fourth proportional to 26,855.34, 40,289.28 and 8,135.52 is: 12,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.34 : 40,289.28 = 8,135.52 : x
  2. Step 2: Convert to fraction form
    26,855.34/40,289.28 = 8,135.52/x
  3. Step 3: Cross multiply
    26,855.34x = 40,289.28 × 8,135.52
  4. Step 4: Simplify right side
    26,855.34x = 327,774,243.23
  5. Step 5: Solve for x
    x = 327,774,243.23/26,855.34
  6. Step 6: Final answer
    x = 12,205.18

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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.