Home / 21,192.38-31,776.26-8,037.58

Finding the Fourth Proportional to 21,192.38, 31,776.26 and 8,037.58

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Solution

The fourth proportional to 21,192.38, 31,776.26 and 8,037.58 is: 12,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.38 : 31,776.26 = 8,037.58 : x
  2. Step 2: Convert to fraction form
    21,192.38/31,776.26 = 8,037.58/x
  3. Step 3: Cross multiply
    21,192.38x = 31,776.26 × 8,037.58
  4. Step 4: Simplify right side
    21,192.38x = 255,404,231.85
  5. Step 5: Solve for x
    x = 255,404,231.85/21,192.38
  6. Step 6: Final answer
    x = 12,051.70

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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.