Home / 26,142.41-39,208.32-11,146.68

Finding the Fourth Proportional to 26,142.41, 39,208.32 and 11,146.68

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Solution

The fourth proportional to 26,142.41, 39,208.32 and 11,146.68 is: 16,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.41 : 39,208.32 = 11,146.68 : x
  2. Step 2: Convert to fraction form
    26,142.41/39,208.32 = 11,146.68/x
  3. Step 3: Cross multiply
    26,142.41x = 39,208.32 × 11,146.68
  4. Step 4: Simplify right side
    26,142.41x = 437,042,596.38
  5. Step 5: Solve for x
    x = 437,042,596.38/26,142.41
  6. Step 6: Final answer
    x = 16,717.76

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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.