Home / 27,757.61-38,304.54-15,824.79

Finding the Fourth Proportional to 27,757.61, 38,304.54 and 15,824.79

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Solution

The fourth proportional to 27,757.61, 38,304.54 and 15,824.79 is: 21,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.61 : 38,304.54 = 15,824.79 : x
  2. Step 2: Convert to fraction form
    27,757.61/38,304.54 = 15,824.79/x
  3. Step 3: Cross multiply
    27,757.61x = 38,304.54 × 15,824.79
  4. Step 4: Simplify right side
    27,757.61x = 606,161,110.02
  5. Step 5: Solve for x
    x = 606,161,110.02/27,757.61
  6. Step 6: Final answer
    x = 21,837.66

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1.5x scale

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.