Home / 26,474.71-39,700.40-12,438.73

Finding the Fourth Proportional to 26,474.71, 39,700.40 and 12,438.73

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Solution

The fourth proportional to 26,474.71, 39,700.40 and 12,438.73 is: 18,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.71 : 39,700.40 = 12,438.73 : x
  2. Step 2: Convert to fraction form
    26,474.71/39,700.40 = 12,438.73/x
  3. Step 3: Cross multiply
    26,474.71x = 39,700.40 × 12,438.73
  4. Step 4: Simplify right side
    26,474.71x = 493,822,556.49
  5. Step 5: Solve for x
    x = 493,822,556.49/26,474.71
  6. Step 6: Final answer
    x = 18,652.61

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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.