Home / 28,175.19-38,879.06-16,842.43

Finding the Fourth Proportional to 28,175.19, 38,879.06 and 16,842.43

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Solution

The fourth proportional to 28,175.19, 38,879.06 and 16,842.43 is: 23,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.19 : 38,879.06 = 16,842.43 : x
  2. Step 2: Convert to fraction form
    28,175.19/38,879.06 = 16,842.43/x
  3. Step 3: Cross multiply
    28,175.19x = 38,879.06 × 16,842.43
  4. Step 4: Simplify right side
    28,175.19x = 654,817,846.52
  5. Step 5: Solve for x
    x = 654,817,846.52/28,175.19
  6. Step 6: Final answer
    x = 23,240.94

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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.