Home / 28,999.25-40,018.97-16,426.43

Finding the Fourth Proportional to 28,999.25, 40,018.97 and 16,426.43

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Solution

The fourth proportional to 28,999.25, 40,018.97 and 16,426.43 is: 22,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.25 : 40,018.97 = 16,426.43 : x
  2. Step 2: Convert to fraction form
    28,999.25/40,018.97 = 16,426.43/x
  3. Step 3: Cross multiply
    28,999.25x = 40,018.97 × 16,426.43
  4. Step 4: Simplify right side
    28,999.25x = 657,368,809.38
  5. Step 5: Solve for x
    x = 657,368,809.38/28,999.25
  6. Step 6: Final answer
    x = 22,668.48

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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.