Home / 26,422.20-39,575.70-21,814.20

Finding the Fourth Proportional to 26,422.20, 39,575.70 and 21,814.20

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Solution

The fourth proportional to 26,422.20, 39,575.70 and 21,814.20 is: 32,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.20 : 39,575.70 = 21,814.20 : x
  2. Step 2: Convert to fraction form
    26,422.20/39,575.70 = 21,814.20/x
  3. Step 3: Cross multiply
    26,422.20x = 39,575.70 × 21,814.20
  4. Step 4: Simplify right side
    26,422.20x = 863,312,234.94
  5. Step 5: Solve for x
    x = 863,312,234.94/26,422.20
  6. Step 6: Final answer
    x = 32,673.75

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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.