Home / 26,739.07-40,108.60-8,271.07

Finding the Fourth Proportional to 26,739.07, 40,108.60 and 8,271.07

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Solution

The fourth proportional to 26,739.07, 40,108.60 and 8,271.07 is: 12,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.07 : 40,108.60 = 8,271.07 : x
  2. Step 2: Convert to fraction form
    26,739.07/40,108.60 = 8,271.07/x
  3. Step 3: Cross multiply
    26,739.07x = 40,108.60 × 8,271.07
  4. Step 4: Simplify right side
    26,739.07x = 331,741,038.20
  5. Step 5: Solve for x
    x = 331,741,038.20/26,739.07
  6. Step 6: Final answer
    x = 12,406.60

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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.