Home / 17,721.42-26,582.16-16,638.86

Finding the Fourth Proportional to 17,721.42, 26,582.16 and 16,638.86

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Solution

The fourth proportional to 17,721.42, 26,582.16 and 16,638.86 is: 24,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.42 : 26,582.16 = 16,638.86 : x
  2. Step 2: Convert to fraction form
    17,721.42/26,582.16 = 16,638.86/x
  3. Step 3: Cross multiply
    17,721.42x = 26,582.16 × 16,638.86
  4. Step 4: Simplify right side
    17,721.42x = 442,296,705.83
  5. Step 5: Solve for x
    x = 442,296,705.83/17,721.42
  6. Step 6: Final answer
    x = 24,958.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.