Home / 27,581.76-38,063.12-15,006.52

Finding the Fourth Proportional to 27,581.76, 38,063.12 and 15,006.52

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Solution

The fourth proportional to 27,581.76, 38,063.12 and 15,006.52 is: 20,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.76 : 38,063.12 = 15,006.52 : x
  2. Step 2: Convert to fraction form
    27,581.76/38,063.12 = 15,006.52/x
  3. Step 3: Cross multiply
    27,581.76x = 38,063.12 × 15,006.52
  4. Step 4: Simplify right side
    27,581.76x = 571,194,971.54
  5. Step 5: Solve for x
    x = 571,194,971.54/27,581.76
  6. Step 6: Final answer
    x = 20,709.16

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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.