Home / 27,707.52-38,207.28-18,264

Finding the Fourth Proportional to 27,707.52, 38,207.28 and 18,264

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Solution

The fourth proportional to 27,707.52, 38,207.28 and 18,264 is: 25,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.52 : 38,207.28 = 18,264 : x
  2. Step 2: Convert to fraction form
    27,707.52/38,207.28 = 18,264/x
  3. Step 3: Cross multiply
    27,707.52x = 38,207.28 × 18,264
  4. Step 4: Simplify right side
    27,707.52x = 697,817,761.92
  5. Step 5: Solve for x
    x = 697,817,761.92/27,707.52
  6. Step 6: Final answer
    x = 25,185.14

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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.