Home / 28,958.11-43,440.40-9,232.09

Finding the Fourth Proportional to 28,958.11, 43,440.40 and 9,232.09

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Solution

The fourth proportional to 28,958.11, 43,440.40 and 9,232.09 is: 13,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,958.11 : 43,440.40 = 9,232.09 : x
  2. Step 2: Convert to fraction form
    28,958.11/43,440.40 = 9,232.09/x
  3. Step 3: Cross multiply
    28,958.11x = 43,440.40 × 9,232.09
  4. Step 4: Simplify right side
    28,958.11x = 401,045,682.44
  5. Step 5: Solve for x
    x = 401,045,682.44/28,958.11
  6. Step 6: Final answer
    x = 13,849.17

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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.