Home / 27,752.76-38,299.41-15,177.51

Finding the Fourth Proportional to 27,752.76, 38,299.41 and 15,177.51

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Solution

The fourth proportional to 27,752.76, 38,299.41 and 15,177.51 is: 20,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.76 : 38,299.41 = 15,177.51 : x
  2. Step 2: Convert to fraction form
    27,752.76/38,299.41 = 15,177.51/x
  3. Step 3: Cross multiply
    27,752.76x = 38,299.41 × 15,177.51
  4. Step 4: Simplify right side
    27,752.76x = 581,289,678.27
  5. Step 5: Solve for x
    x = 581,289,678.27/27,752.76
  6. Step 6: Final answer
    x = 20,945.29

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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.