Home / 28,166.42-38,879.36-16,234.52

Finding the Fourth Proportional to 28,166.42, 38,879.36 and 16,234.52

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Solution

The fourth proportional to 28,166.42, 38,879.36 and 16,234.52 is: 22,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.42 : 38,879.36 = 16,234.52 : x
  2. Step 2: Convert to fraction form
    28,166.42/38,879.36 = 16,234.52/x
  3. Step 3: Cross multiply
    28,166.42x = 38,879.36 × 16,234.52
  4. Step 4: Simplify right side
    28,166.42x = 631,187,747.51
  5. Step 5: Solve for x
    x = 631,187,747.51/28,166.42
  6. Step 6: Final answer
    x = 22,409.23

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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.