Home / 28,717.65-43,076.21-9,997.65

Finding the Fourth Proportional to 28,717.65, 43,076.21 and 9,997.65

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Solution

The fourth proportional to 28,717.65, 43,076.21 and 9,997.65 is: 14,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.65 : 43,076.21 = 9,997.65 : x
  2. Step 2: Convert to fraction form
    28,717.65/43,076.21 = 9,997.65/x
  3. Step 3: Cross multiply
    28,717.65x = 43,076.21 × 9,997.65
  4. Step 4: Simplify right side
    28,717.65x = 430,660,820.92
  5. Step 5: Solve for x
    x = 430,660,820.92/28,717.65
  6. Step 6: Final answer
    x = 14,996.38

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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.