Home / 28,888.82-43,334.78-9,168.92

Finding the Fourth Proportional to 28,888.82, 43,334.78 and 9,168.92

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Solution

The fourth proportional to 28,888.82, 43,334.78 and 9,168.92 is: 13,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.82 : 43,334.78 = 9,168.92 : x
  2. Step 2: Convert to fraction form
    28,888.82/43,334.78 = 9,168.92/x
  3. Step 3: Cross multiply
    28,888.82x = 43,334.78 × 9,168.92
  4. Step 4: Simplify right side
    28,888.82x = 397,333,131.04
  5. Step 5: Solve for x
    x = 397,333,131.04/28,888.82
  6. Step 6: Final answer
    x = 13,753.87

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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.