Home / 20,110.41-27,764.59-15,625.70

Finding the Fourth Proportional to 20,110.41, 27,764.59 and 15,625.70

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Solution

The fourth proportional to 20,110.41, 27,764.59 and 15,625.70 is: 21,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.41 : 27,764.59 = 15,625.70 : x
  2. Step 2: Convert to fraction form
    20,110.41/27,764.59 = 15,625.70/x
  3. Step 3: Cross multiply
    20,110.41x = 27,764.59 × 15,625.70
  4. Step 4: Simplify right side
    20,110.41x = 433,841,103.41
  5. Step 5: Solve for x
    x = 433,841,103.41/20,110.41
  6. Step 6: Final answer
    x = 21,572.96

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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.