Home / 26,327.82-39,428.61-19,192.98

Finding the Fourth Proportional to 26,327.82, 39,428.61 and 19,192.98

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Solution

The fourth proportional to 26,327.82, 39,428.61 and 19,192.98 is: 28,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.82 : 39,428.61 = 19,192.98 : x
  2. Step 2: Convert to fraction form
    26,327.82/39,428.61 = 19,192.98/x
  3. Step 3: Cross multiply
    26,327.82x = 39,428.61 × 19,192.98
  4. Step 4: Simplify right side
    26,327.82x = 756,752,523.16
  5. Step 5: Solve for x
    x = 756,752,523.16/26,327.82
  6. Step 6: Final answer
    x = 28,743.46

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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.