Home / 27,672.75-38,185.45-15,573.03

Finding the Fourth Proportional to 27,672.75, 38,185.45 and 15,573.03

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Solution

The fourth proportional to 27,672.75, 38,185.45 and 15,573.03 is: 21,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.75 : 38,185.45 = 15,573.03 : x
  2. Step 2: Convert to fraction form
    27,672.75/38,185.45 = 15,573.03/x
  3. Step 3: Cross multiply
    27,672.75x = 38,185.45 × 15,573.03
  4. Step 4: Simplify right side
    27,672.75x = 594,663,158.41
  5. Step 5: Solve for x
    x = 594,663,158.41/27,672.75
  6. Step 6: Final answer
    x = 21,489.12

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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.