Home / 26,128.98-36,074.43-19,406.70

Finding the Fourth Proportional to 26,128.98, 36,074.43 and 19,406.70

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Solution

The fourth proportional to 26,128.98, 36,074.43 and 19,406.70 is: 26,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.98 : 36,074.43 = 19,406.70 : x
  2. Step 2: Convert to fraction form
    26,128.98/36,074.43 = 19,406.70/x
  3. Step 3: Cross multiply
    26,128.98x = 36,074.43 × 19,406.70
  4. Step 4: Simplify right side
    26,128.98x = 700,085,640.68
  5. Step 5: Solve for x
    x = 700,085,640.68/26,128.98
  6. Step 6: Final answer
    x = 26,793.45

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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.