Home / 26,086.35-39,132.39-8,312.88

Finding the Fourth Proportional to 26,086.35, 39,132.39 and 8,312.88

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Solution

The fourth proportional to 26,086.35, 39,132.39 and 8,312.88 is: 12,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.35 : 39,132.39 = 8,312.88 : x
  2. Step 2: Convert to fraction form
    26,086.35/39,132.39 = 8,312.88/x
  3. Step 3: Cross multiply
    26,086.35x = 39,132.39 × 8,312.88
  4. Step 4: Simplify right side
    26,086.35x = 325,302,796.60
  5. Step 5: Solve for x
    x = 325,302,796.60/26,086.35
  6. Step 6: Final answer
    x = 12,470.23

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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.