Home / 21,755.72-30,006.23-14,583.39

Finding the Fourth Proportional to 21,755.72, 30,006.23 and 14,583.39

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Solution

The fourth proportional to 21,755.72, 30,006.23 and 14,583.39 is: 20,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.72 : 30,006.23 = 14,583.39 : x
  2. Step 2: Convert to fraction form
    21,755.72/30,006.23 = 14,583.39/x
  3. Step 3: Cross multiply
    21,755.72x = 30,006.23 × 14,583.39
  4. Step 4: Simplify right side
    21,755.72x = 437,592,481.60
  5. Step 5: Solve for x
    x = 437,592,481.60/21,755.72
  6. Step 6: Final answer
    x = 20,113.91

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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.