Home / 26,984.40-40,464.45-12,185.70

Finding the Fourth Proportional to 26,984.40, 40,464.45 and 12,185.70

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Solution

The fourth proportional to 26,984.40, 40,464.45 and 12,185.70 is: 18,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.40 : 40,464.45 = 12,185.70 : x
  2. Step 2: Convert to fraction form
    26,984.40/40,464.45 = 12,185.70/x
  3. Step 3: Cross multiply
    26,984.40x = 40,464.45 × 12,185.70
  4. Step 4: Simplify right side
    26,984.40x = 493,087,648.37
  5. Step 5: Solve for x
    x = 493,087,648.37/26,984.40
  6. Step 6: Final answer
    x = 18,273.06

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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.