Home / 28,999.72-40,022.94-16,256.35

Finding the Fourth Proportional to 28,999.72, 40,022.94 and 16,256.35

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Solution

The fourth proportional to 28,999.72, 40,022.94 and 16,256.35 is: 22,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.72 : 40,022.94 = 16,256.35 : x
  2. Step 2: Convert to fraction form
    28,999.72/40,022.94 = 16,256.35/x
  3. Step 3: Cross multiply
    28,999.72x = 40,022.94 × 16,256.35
  4. Step 4: Simplify right side
    28,999.72x = 650,626,759.65
  5. Step 5: Solve for x
    x = 650,626,759.65/28,999.72
  6. Step 6: Final answer
    x = 22,435.62

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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.