Home / 28,446.93-39,270.42-16,508.34

Finding the Fourth Proportional to 28,446.93, 39,270.42 and 16,508.34

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Solution

The fourth proportional to 28,446.93, 39,270.42 and 16,508.34 is: 22,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.93 : 39,270.42 = 16,508.34 : x
  2. Step 2: Convert to fraction form
    28,446.93/39,270.42 = 16,508.34/x
  3. Step 3: Cross multiply
    28,446.93x = 39,270.42 × 16,508.34
  4. Step 4: Simplify right side
    28,446.93x = 648,289,445.30
  5. Step 5: Solve for x
    x = 648,289,445.30/28,446.93
  6. Step 6: Final answer
    x = 22,789.43

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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.