Home / 27,694.93-38,213.88-15,757.55

Finding the Fourth Proportional to 27,694.93, 38,213.88 and 15,757.55

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Solution

The fourth proportional to 27,694.93, 38,213.88 and 15,757.55 is: 21,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.93 : 38,213.88 = 15,757.55 : x
  2. Step 2: Convert to fraction form
    27,694.93/38,213.88 = 15,757.55/x
  3. Step 3: Cross multiply
    27,694.93x = 38,213.88 × 15,757.55
  4. Step 4: Simplify right side
    27,694.93x = 602,157,124.79
  5. Step 5: Solve for x
    x = 602,157,124.79/27,694.93
  6. Step 6: Final answer
    x = 21,742.50

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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.