Home / 26,479.31-36,499.41-20,085.37

Finding the Fourth Proportional to 26,479.31, 36,499.41 and 20,085.37

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Solution

The fourth proportional to 26,479.31, 36,499.41 and 20,085.37 is: 27,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.31 : 36,499.41 = 20,085.37 : x
  2. Step 2: Convert to fraction form
    26,479.31/36,499.41 = 20,085.37/x
  3. Step 3: Cross multiply
    26,479.31x = 36,499.41 × 20,085.37
  4. Step 4: Simplify right side
    26,479.31x = 733,104,063.38
  5. Step 5: Solve for x
    x = 733,104,063.38/26,479.31
  6. Step 6: Final answer
    x = 27,685.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.