Home / 26,934.37-40,365.90-20,670.46

Finding the Fourth Proportional to 26,934.37, 40,365.90 and 20,670.46

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Solution

The fourth proportional to 26,934.37, 40,365.90 and 20,670.46 is: 30,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.37 : 40,365.90 = 20,670.46 : x
  2. Step 2: Convert to fraction form
    26,934.37/40,365.90 = 20,670.46/x
  3. Step 3: Cross multiply
    26,934.37x = 40,365.90 × 20,670.46
  4. Step 4: Simplify right side
    26,934.37x = 834,381,721.31
  5. Step 5: Solve for x
    x = 834,381,721.31/26,934.37
  6. Step 6: Final answer
    x = 30,978.33

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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.