Home / 28,554.54-39,402.63-15,976.86

Finding the Fourth Proportional to 28,554.54, 39,402.63 and 15,976.86

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Solution

The fourth proportional to 28,554.54, 39,402.63 and 15,976.86 is: 22,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.54 : 39,402.63 = 15,976.86 : x
  2. Step 2: Convert to fraction form
    28,554.54/39,402.63 = 15,976.86/x
  3. Step 3: Cross multiply
    28,554.54x = 39,402.63 × 15,976.86
  4. Step 4: Simplify right side
    28,554.54x = 629,530,303.14
  5. Step 5: Solve for x
    x = 629,530,303.14/28,554.54
  6. Step 6: Final answer
    x = 22,046.59

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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.