Home / 26,821.39-40,201.12-19,695.55

Finding the Fourth Proportional to 26,821.39, 40,201.12 and 19,695.55

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Solution

The fourth proportional to 26,821.39, 40,201.12 and 19,695.55 is: 29,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.39 : 40,201.12 = 19,695.55 : x
  2. Step 2: Convert to fraction form
    26,821.39/40,201.12 = 19,695.55/x
  3. Step 3: Cross multiply
    26,821.39x = 40,201.12 × 19,695.55
  4. Step 4: Simplify right side
    26,821.39x = 791,783,169.02
  5. Step 5: Solve for x
    x = 791,783,169.02/26,821.39
  6. Step 6: Final answer
    x = 29,520.59

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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.