Home / 28,997.62-43,510.14-15,849.60

Finding the Fourth Proportional to 28,997.62, 43,510.14 and 15,849.60

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Solution

The fourth proportional to 28,997.62, 43,510.14 and 15,849.60 is: 23,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.62 : 43,510.14 = 15,849.60 : x
  2. Step 2: Convert to fraction form
    28,997.62/43,510.14 = 15,849.60/x
  3. Step 3: Cross multiply
    28,997.62x = 43,510.14 × 15,849.60
  4. Step 4: Simplify right side
    28,997.62x = 689,618,314.94
  5. Step 5: Solve for x
    x = 689,618,314.94/28,997.62
  6. Step 6: Final answer
    x = 23,781.89

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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.