Home / 27,529.10-38,005.92-18,125

Finding the Fourth Proportional to 27,529.10, 38,005.92 and 18,125

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Solution

The fourth proportional to 27,529.10, 38,005.92 and 18,125 is: 25,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.10 : 38,005.92 = 18,125 : x
  2. Step 2: Convert to fraction form
    27,529.10/38,005.92 = 18,125/x
  3. Step 3: Cross multiply
    27,529.10x = 38,005.92 × 18,125
  4. Step 4: Simplify right side
    27,529.10x = 688,857,300
  5. Step 5: Solve for x
    x = 688,857,300/27,529.10
  6. Step 6: Final answer
    x = 25,022.88

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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.