Home / 27,846.42-38,428.18-15,099.56

Finding the Fourth Proportional to 27,846.42, 38,428.18 and 15,099.56

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Solution

The fourth proportional to 27,846.42, 38,428.18 and 15,099.56 is: 20,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.42 : 38,428.18 = 15,099.56 : x
  2. Step 2: Convert to fraction form
    27,846.42/38,428.18 = 15,099.56/x
  3. Step 3: Cross multiply
    27,846.42x = 38,428.18 × 15,099.56
  4. Step 4: Simplify right side
    27,846.42x = 580,248,609.60
  5. Step 5: Solve for x
    x = 580,248,609.60/27,846.42
  6. Step 6: Final answer
    x = 20,837.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.