Home / 26,922.26-40,368.20-12,885.66

Finding the Fourth Proportional to 26,922.26, 40,368.20 and 12,885.66

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Solution

The fourth proportional to 26,922.26, 40,368.20 and 12,885.66 is: 19,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.26 : 40,368.20 = 12,885.66 : x
  2. Step 2: Convert to fraction form
    26,922.26/40,368.20 = 12,885.66/x
  3. Step 3: Cross multiply
    26,922.26x = 40,368.20 × 12,885.66
  4. Step 4: Simplify right side
    26,922.26x = 520,170,835.58
  5. Step 5: Solve for x
    x = 520,170,835.58/26,922.26
  6. Step 6: Final answer
    x = 19,321.22

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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.