Home / 26,766.09-40,158.45-11,976.57

Finding the Fourth Proportional to 26,766.09, 40,158.45 and 11,976.57

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Solution

The fourth proportional to 26,766.09, 40,158.45 and 11,976.57 is: 17,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.09 : 40,158.45 = 11,976.57 : x
  2. Step 2: Convert to fraction form
    26,766.09/40,158.45 = 11,976.57/x
  3. Step 3: Cross multiply
    26,766.09x = 40,158.45 × 11,976.57
  4. Step 4: Simplify right side
    26,766.09x = 480,960,487.52
  5. Step 5: Solve for x
    x = 480,960,487.52/26,766.09
  6. Step 6: Final answer
    x = 17,969.02

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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.