Home / 21,591.45-32,396.58-7,561.55

Finding the Fourth Proportional to 21,591.45, 32,396.58 and 7,561.55

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Solution

The fourth proportional to 21,591.45, 32,396.58 and 7,561.55 is: 11,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.45 : 32,396.58 = 7,561.55 : x
  2. Step 2: Convert to fraction form
    21,591.45/32,396.58 = 7,561.55/x
  3. Step 3: Cross multiply
    21,591.45x = 32,396.58 × 7,561.55
  4. Step 4: Simplify right side
    21,591.45x = 244,968,440.49
  5. Step 5: Solve for x
    x = 244,968,440.49/21,591.45
  6. Step 6: Final answer
    x = 11,345.62

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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.