Home / 28,722.92-39,635.04-15,975.52

Finding the Fourth Proportional to 28,722.92, 39,635.04 and 15,975.52

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Solution

The fourth proportional to 28,722.92, 39,635.04 and 15,975.52 is: 22,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.92 : 39,635.04 = 15,975.52 : x
  2. Step 2: Convert to fraction form
    28,722.92/39,635.04 = 15,975.52/x
  3. Step 3: Cross multiply
    28,722.92x = 39,635.04 × 15,975.52
  4. Step 4: Simplify right side
    28,722.92x = 633,190,374.22
  5. Step 5: Solve for x
    x = 633,190,374.22/28,722.92
  6. Step 6: Final answer
    x = 22,044.78

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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.