Home / 28,873.82-39,844.69-16,126.79

Finding the Fourth Proportional to 28,873.82, 39,844.69 and 16,126.79

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Solution

The fourth proportional to 28,873.82, 39,844.69 and 16,126.79 is: 22,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.82 : 39,844.69 = 16,126.79 : x
  2. Step 2: Convert to fraction form
    28,873.82/39,844.69 = 16,126.79/x
  3. Step 3: Cross multiply
    28,873.82x = 39,844.69 × 16,126.79
  4. Step 4: Simplify right side
    28,873.82x = 642,566,708.70
  5. Step 5: Solve for x
    x = 642,566,708.70/28,873.82
  6. Step 6: Final answer
    x = 22,254.30

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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.