Home / 28,386.38-39,171.32-17,049.14

Finding the Fourth Proportional to 28,386.38, 39,171.32 and 17,049.14

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Solution

The fourth proportional to 28,386.38, 39,171.32 and 17,049.14 is: 23,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.38 : 39,171.32 = 17,049.14 : x
  2. Step 2: Convert to fraction form
    28,386.38/39,171.32 = 17,049.14/x
  3. Step 3: Cross multiply
    28,386.38x = 39,171.32 × 17,049.14
  4. Step 4: Simplify right side
    28,386.38x = 667,837,233.42
  5. Step 5: Solve for x
    x = 667,837,233.42/28,386.38
  6. Step 6: Final answer
    x = 23,526.68

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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.