Home / 26,150.42-39,209.16-8,615.54

Finding the Fourth Proportional to 26,150.42, 39,209.16 and 8,615.54

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Solution

The fourth proportional to 26,150.42, 39,209.16 and 8,615.54 is: 12,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.42 : 39,209.16 = 8,615.54 : x
  2. Step 2: Convert to fraction form
    26,150.42/39,209.16 = 8,615.54/x
  3. Step 3: Cross multiply
    26,150.42x = 39,209.16 × 8,615.54
  4. Step 4: Simplify right side
    26,150.42x = 337,808,086.35
  5. Step 5: Solve for x
    x = 337,808,086.35/26,150.42
  6. Step 6: Final answer
    x = 12,917.88

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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.