Home / 20,837.44-31,256.30-8,525.44

Finding the Fourth Proportional to 20,837.44, 31,256.30 and 8,525.44

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Solution

The fourth proportional to 20,837.44, 31,256.30 and 8,525.44 is: 12,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.44 : 31,256.30 = 8,525.44 : x
  2. Step 2: Convert to fraction form
    20,837.44/31,256.30 = 8,525.44/x
  3. Step 3: Cross multiply
    20,837.44x = 31,256.30 × 8,525.44
  4. Step 4: Simplify right side
    20,837.44x = 266,473,710.27
  5. Step 5: Solve for x
    x = 266,473,710.27/20,837.44
  6. Step 6: Final answer
    x = 12,788.22

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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.