Home / 26,151.49-36,074.01-16,072.78

Finding the Fourth Proportional to 26,151.49, 36,074.01 and 16,072.78

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Solution

The fourth proportional to 26,151.49, 36,074.01 and 16,072.78 is: 22,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.49 : 36,074.01 = 16,072.78 : x
  2. Step 2: Convert to fraction form
    26,151.49/36,074.01 = 16,072.78/x
  3. Step 3: Cross multiply
    26,151.49x = 36,074.01 × 16,072.78
  4. Step 4: Simplify right side
    26,151.49x = 579,809,626.45
  5. Step 5: Solve for x
    x = 579,809,626.45/26,151.49
  6. Step 6: Final answer
    x = 22,171.19

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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.