Home / 21,876.98-30,126.66-19,004.41

Finding the Fourth Proportional to 21,876.98, 30,126.66 and 19,004.41

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Solution

The fourth proportional to 21,876.98, 30,126.66 and 19,004.41 is: 26,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.98 : 30,126.66 = 19,004.41 : x
  2. Step 2: Convert to fraction form
    21,876.98/30,126.66 = 19,004.41/x
  3. Step 3: Cross multiply
    21,876.98x = 30,126.66 × 19,004.41
  4. Step 4: Simplify right side
    21,876.98x = 572,539,398.57
  5. Step 5: Solve for x
    x = 572,539,398.57/21,876.98
  6. Step 6: Final answer
    x = 26,170.86

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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.