Home / 27,243.05-37,595.21-15,306.38

Finding the Fourth Proportional to 27,243.05, 37,595.21 and 15,306.38

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Solution

The fourth proportional to 27,243.05, 37,595.21 and 15,306.38 is: 21,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.05 : 37,595.21 = 15,306.38 : x
  2. Step 2: Convert to fraction form
    27,243.05/37,595.21 = 15,306.38/x
  3. Step 3: Cross multiply
    27,243.05x = 37,595.21 × 15,306.38
  4. Step 4: Simplify right side
    27,243.05x = 575,446,658.39
  5. Step 5: Solve for x
    x = 575,446,658.39/27,243.05
  6. Step 6: Final answer
    x = 21,122.70

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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.