Home / 28,861.31-43,275.76-10,136.14

Finding the Fourth Proportional to 28,861.31, 43,275.76 and 10,136.14

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Solution

The fourth proportional to 28,861.31, 43,275.76 and 10,136.14 is: 15,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.31 : 43,275.76 = 10,136.14 : x
  2. Step 2: Convert to fraction form
    28,861.31/43,275.76 = 10,136.14/x
  3. Step 3: Cross multiply
    28,861.31x = 43,275.76 × 10,136.14
  4. Step 4: Simplify right side
    28,861.31x = 438,649,161.97
  5. Step 5: Solve for x
    x = 438,649,161.97/28,861.31
  6. Step 6: Final answer
    x = 15,198.52

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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.