Home / 28,995.98-40,015.43-27,667.37

Finding the Fourth Proportional to 28,995.98, 40,015.43 and 27,667.37

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Solution

The fourth proportional to 28,995.98, 40,015.43 and 27,667.37 is: 38,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.98 : 40,015.43 = 27,667.37 : x
  2. Step 2: Convert to fraction form
    28,995.98/40,015.43 = 27,667.37/x
  3. Step 3: Cross multiply
    28,995.98x = 40,015.43 × 27,667.37
  4. Step 4: Simplify right side
    28,995.98x = 1,107,121,369.11
  5. Step 5: Solve for x
    x = 1,107,121,369.11/28,995.98
  6. Step 6: Final answer
    x = 38,181.90

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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.