Home / 28,350.72-42,512.04-11,704.68

Finding the Fourth Proportional to 28,350.72, 42,512.04 and 11,704.68

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Solution

The fourth proportional to 28,350.72, 42,512.04 and 11,704.68 is: 17,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.72 : 42,512.04 = 11,704.68 : x
  2. Step 2: Convert to fraction form
    28,350.72/42,512.04 = 11,704.68/x
  3. Step 3: Cross multiply
    28,350.72x = 42,512.04 × 11,704.68
  4. Step 4: Simplify right side
    28,350.72x = 497,589,824.35
  5. Step 5: Solve for x
    x = 497,589,824.35/28,350.72
  6. Step 6: Final answer
    x = 17,551.22

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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.