Home / 21,519.73-32,281.62-7,477.57

Finding the Fourth Proportional to 21,519.73, 32,281.62 and 7,477.57

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Solution

The fourth proportional to 21,519.73, 32,281.62 and 7,477.57 is: 11,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.73 : 32,281.62 = 7,477.57 : x
  2. Step 2: Convert to fraction form
    21,519.73/32,281.62 = 7,477.57/x
  3. Step 3: Cross multiply
    21,519.73x = 32,281.62 × 7,477.57
  4. Step 4: Simplify right side
    21,519.73x = 241,388,073.26
  5. Step 5: Solve for x
    x = 241,388,073.26/21,519.73
  6. Step 6: Final answer
    x = 11,217.06

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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.