Home / 26,868.08-40,300.84-8,147.28

Finding the Fourth Proportional to 26,868.08, 40,300.84 and 8,147.28

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Solution

The fourth proportional to 26,868.08, 40,300.84 and 8,147.28 is: 12,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.08 : 40,300.84 = 8,147.28 : x
  2. Step 2: Convert to fraction form
    26,868.08/40,300.84 = 8,147.28/x
  3. Step 3: Cross multiply
    26,868.08x = 40,300.84 × 8,147.28
  4. Step 4: Simplify right side
    26,868.08x = 328,342,227.72
  5. Step 5: Solve for x
    x = 328,342,227.72/26,868.08
  6. Step 6: Final answer
    x = 12,220.53

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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.