Home / 21,488.22-32,234.22-6,698.70

Finding the Fourth Proportional to 21,488.22, 32,234.22 and 6,698.70

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Solution

The fourth proportional to 21,488.22, 32,234.22 and 6,698.70 is: 10,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.22 : 32,234.22 = 6,698.70 : x
  2. Step 2: Convert to fraction form
    21,488.22/32,234.22 = 6,698.70/x
  3. Step 3: Cross multiply
    21,488.22x = 32,234.22 × 6,698.70
  4. Step 4: Simplify right side
    21,488.22x = 215,927,369.51
  5. Step 5: Solve for x
    x = 215,927,369.51/21,488.22
  6. Step 6: Final answer
    x = 10,048.64

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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.