Home / 27,792.05-38,352.73-15,045

Finding the Fourth Proportional to 27,792.05, 38,352.73 and 15,045

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Solution

The fourth proportional to 27,792.05, 38,352.73 and 15,045 is: 20,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.05 : 38,352.73 = 15,045 : x
  2. Step 2: Convert to fraction form
    27,792.05/38,352.73 = 15,045/x
  3. Step 3: Cross multiply
    27,792.05x = 38,352.73 × 15,045
  4. Step 4: Simplify right side
    27,792.05x = 577,016,822.85
  5. Step 5: Solve for x
    x = 577,016,822.85/27,792.05
  6. Step 6: Final answer
    x = 20,761.94

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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.