Home / 26,830.82-40,254.74-20,927.95

Finding the Fourth Proportional to 26,830.82, 40,254.74 and 20,927.95

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Solution

The fourth proportional to 26,830.82, 40,254.74 and 20,927.95 is: 31,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.82 : 40,254.74 = 20,927.95 : x
  2. Step 2: Convert to fraction form
    26,830.82/40,254.74 = 20,927.95/x
  3. Step 3: Cross multiply
    26,830.82x = 40,254.74 × 20,927.95
  4. Step 4: Simplify right side
    26,830.82x = 842,449,137.67
  5. Step 5: Solve for x
    x = 842,449,137.67/26,830.82
  6. Step 6: Final answer
    x = 31,398.56

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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.