Home / 28,992.44-40,009.72-16,245.65

Finding the Fourth Proportional to 28,992.44, 40,009.72 and 16,245.65

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Solution

The fourth proportional to 28,992.44, 40,009.72 and 16,245.65 is: 22,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.44 : 40,009.72 = 16,245.65 : x
  2. Step 2: Convert to fraction form
    28,992.44/40,009.72 = 16,245.65/x
  3. Step 3: Cross multiply
    28,992.44x = 40,009.72 × 16,245.65
  4. Step 4: Simplify right side
    28,992.44x = 649,983,907.72
  5. Step 5: Solve for x
    x = 649,983,907.72/28,992.44
  6. Step 6: Final answer
    x = 22,419.08

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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.