Home / 26,989.42-40,472.24-12,197.74

Finding the Fourth Proportional to 26,989.42, 40,472.24 and 12,197.74

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Solution

The fourth proportional to 26,989.42, 40,472.24 and 12,197.74 is: 18,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.42 : 40,472.24 = 12,197.74 : x
  2. Step 2: Convert to fraction form
    26,989.42/40,472.24 = 12,197.74/x
  3. Step 3: Cross multiply
    26,989.42x = 40,472.24 × 12,197.74
  4. Step 4: Simplify right side
    26,989.42x = 493,669,860.74
  5. Step 5: Solve for x
    x = 493,669,860.74/26,989.42
  6. Step 6: Final answer
    x = 18,291.24

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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.