Home / 28,717.28-43,074.66-10,001.54

Finding the Fourth Proportional to 28,717.28, 43,074.66 and 10,001.54

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Solution

The fourth proportional to 28,717.28, 43,074.66 and 10,001.54 is: 15,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.28 : 43,074.66 = 10,001.54 : x
  2. Step 2: Convert to fraction form
    28,717.28/43,074.66 = 10,001.54/x
  3. Step 3: Cross multiply
    28,717.28x = 43,074.66 × 10,001.54
  4. Step 4: Simplify right side
    28,717.28x = 430,812,934.98
  5. Step 5: Solve for x
    x = 430,812,934.98/28,717.28
  6. Step 6: Final answer
    x = 15,001.87

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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.