Home / 21,368.58-32,057.55-8,227.14

Finding the Fourth Proportional to 21,368.58, 32,057.55 and 8,227.14

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Solution

The fourth proportional to 21,368.58, 32,057.55 and 8,227.14 is: 12,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.58 : 32,057.55 = 8,227.14 : x
  2. Step 2: Convert to fraction form
    21,368.58/32,057.55 = 8,227.14/x
  3. Step 3: Cross multiply
    21,368.58x = 32,057.55 × 8,227.14
  4. Step 4: Simplify right side
    21,368.58x = 263,741,951.91
  5. Step 5: Solve for x
    x = 263,741,951.91/21,368.58
  6. Step 6: Final answer
    x = 12,342.51

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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.