Home / 26,121.33-36,055.62-16,689.87

Finding the Fourth Proportional to 26,121.33, 36,055.62 and 16,689.87

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Solution

The fourth proportional to 26,121.33, 36,055.62 and 16,689.87 is: 23,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.33 : 36,055.62 = 16,689.87 : x
  2. Step 2: Convert to fraction form
    26,121.33/36,055.62 = 16,689.87/x
  3. Step 3: Cross multiply
    26,121.33x = 36,055.62 × 16,689.87
  4. Step 4: Simplify right side
    26,121.33x = 601,763,610.57
  5. Step 5: Solve for x
    x = 601,763,610.57/26,121.33
  6. Step 6: Final answer
    x = 23,037.25

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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.