Home / 26,987.70-40,469.24-12,954.35

Finding the Fourth Proportional to 26,987.70, 40,469.24 and 12,954.35

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Solution

The fourth proportional to 26,987.70, 40,469.24 and 12,954.35 is: 19,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.70 : 40,469.24 = 12,954.35 : x
  2. Step 2: Convert to fraction form
    26,987.70/40,469.24 = 12,954.35/x
  3. Step 3: Cross multiply
    26,987.70x = 40,469.24 × 12,954.35
  4. Step 4: Simplify right side
    26,987.70x = 524,252,432.08
  5. Step 5: Solve for x
    x = 524,252,432.08/26,987.70
  6. Step 6: Final answer
    x = 19,425.61

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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.