Home / 28,438.43-42,593.04-17,320.64

Finding the Fourth Proportional to 28,438.43, 42,593.04 and 17,320.64

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Solution

The fourth proportional to 28,438.43, 42,593.04 and 17,320.64 is: 25,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438.43 : 42,593.04 = 17,320.64 : x
  2. Step 2: Convert to fraction form
    28,438.43/42,593.04 = 17,320.64/x
  3. Step 3: Cross multiply
    28,438.43x = 42,593.04 × 17,320.64
  4. Step 4: Simplify right side
    28,438.43x = 737,738,499.38
  5. Step 5: Solve for x
    x = 737,738,499.38/28,438.43
  6. Step 6: Final answer
    x = 25,941.61

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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.