Home / 21,651.40-32,477.33-7,611.82

Finding the Fourth Proportional to 21,651.40, 32,477.33 and 7,611.82

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Solution

The fourth proportional to 21,651.40, 32,477.33 and 7,611.82 is: 11,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.40 : 32,477.33 = 7,611.82 : x
  2. Step 2: Convert to fraction form
    21,651.40/32,477.33 = 7,611.82/x
  3. Step 3: Cross multiply
    21,651.40x = 32,477.33 × 7,611.82
  4. Step 4: Simplify right side
    21,651.40x = 247,211,590.04
  5. Step 5: Solve for x
    x = 247,211,590.04/21,651.40
  6. Step 6: Final answer
    x = 11,417.81

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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.