Home / 28,855.32-43,302.42-11,323.08

Finding the Fourth Proportional to 28,855.32, 43,302.42 and 11,323.08

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Solution

The fourth proportional to 28,855.32, 43,302.42 and 11,323.08 is: 16,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.32 : 43,302.42 = 11,323.08 : x
  2. Step 2: Convert to fraction form
    28,855.32/43,302.42 = 11,323.08/x
  3. Step 3: Cross multiply
    28,855.32x = 43,302.42 × 11,323.08
  4. Step 4: Simplify right side
    28,855.32x = 490,316,765.85
  5. Step 5: Solve for x
    x = 490,316,765.85/28,855.32
  6. Step 6: Final answer
    x = 16,992.25

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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.