Home / 27,601.20-38,089.68-15,025.68

Finding the Fourth Proportional to 27,601.20, 38,089.68 and 15,025.68

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Solution

The fourth proportional to 27,601.20, 38,089.68 and 15,025.68 is: 20,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.20 : 38,089.68 = 15,025.68 : x
  2. Step 2: Convert to fraction form
    27,601.20/38,089.68 = 15,025.68/x
  3. Step 3: Cross multiply
    27,601.20x = 38,089.68 × 15,025.68
  4. Step 4: Simplify right side
    27,601.20x = 572,323,342.98
  5. Step 5: Solve for x
    x = 572,323,342.98/27,601.20
  6. Step 6: Final answer
    x = 20,735.45

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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.