Home / 26,609.78-39,939.40-13,471.46

Finding the Fourth Proportional to 26,609.78, 39,939.40 and 13,471.46

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Solution

The fourth proportional to 26,609.78, 39,939.40 and 13,471.46 is: 20,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.78 : 39,939.40 = 13,471.46 : x
  2. Step 2: Convert to fraction form
    26,609.78/39,939.40 = 13,471.46/x
  3. Step 3: Cross multiply
    26,609.78x = 39,939.40 × 13,471.46
  4. Step 4: Simplify right side
    26,609.78x = 538,042,029.52
  5. Step 5: Solve for x
    x = 538,042,029.52/26,609.78
  6. Step 6: Final answer
    x = 20,219.71

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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.