Home / 27,975.88-38,611.89-16,039.30

Finding the Fourth Proportional to 27,975.88, 38,611.89 and 16,039.30

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Solution

The fourth proportional to 27,975.88, 38,611.89 and 16,039.30 is: 22,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.88 : 38,611.89 = 16,039.30 : x
  2. Step 2: Convert to fraction form
    27,975.88/38,611.89 = 16,039.30/x
  3. Step 3: Cross multiply
    27,975.88x = 38,611.89 × 16,039.30
  4. Step 4: Simplify right side
    27,975.88x = 619,307,687.28
  5. Step 5: Solve for x
    x = 619,307,687.28/27,975.88
  6. Step 6: Final answer
    x = 22,137.20

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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.