Home / 21,338.24-32,021.60-7,487.24

Finding the Fourth Proportional to 21,338.24, 32,021.60 and 7,487.24

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Solution

The fourth proportional to 21,338.24, 32,021.60 and 7,487.24 is: 11,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338.24 : 32,021.60 = 7,487.24 : x
  2. Step 2: Convert to fraction form
    21,338.24/32,021.60 = 7,487.24/x
  3. Step 3: Cross multiply
    21,338.24x = 32,021.60 × 7,487.24
  4. Step 4: Simplify right side
    21,338.24x = 239,753,206.84
  5. Step 5: Solve for x
    x = 239,753,206.84/21,338.24
  6. Step 6: Final answer
    x = 11,235.85

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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.