Home / 27,535.92-38,005.60-18,105.36

Finding the Fourth Proportional to 27,535.92, 38,005.60 and 18,105.36

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Solution

The fourth proportional to 27,535.92, 38,005.60 and 18,105.36 is: 24,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,535.92 : 38,005.60 = 18,105.36 : x
  2. Step 2: Convert to fraction form
    27,535.92/38,005.60 = 18,105.36/x
  3. Step 3: Cross multiply
    27,535.92x = 38,005.60 × 18,105.36
  4. Step 4: Simplify right side
    27,535.92x = 688,105,070.02
  5. Step 5: Solve for x
    x = 688,105,070.02/27,535.92
  6. Step 6: Final answer
    x = 24,989.36

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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.