Home / 21,442.04-32,163.78-19,007.18

Finding the Fourth Proportional to 21,442.04, 32,163.78 and 19,007.18

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Solution

The fourth proportional to 21,442.04, 32,163.78 and 19,007.18 is: 28,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.04 : 32,163.78 = 19,007.18 : x
  2. Step 2: Convert to fraction form
    21,442.04/32,163.78 = 19,007.18/x
  3. Step 3: Cross multiply
    21,442.04x = 32,163.78 × 19,007.18
  4. Step 4: Simplify right side
    21,442.04x = 611,342,755.94
  5. Step 5: Solve for x
    x = 611,342,755.94/21,442.04
  6. Step 6: Final answer
    x = 28,511.41

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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.