Home / 21,769.76-30,026.30-14,203.96

Finding the Fourth Proportional to 21,769.76, 30,026.30 and 14,203.96

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Solution

The fourth proportional to 21,769.76, 30,026.30 and 14,203.96 is: 19,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.76 : 30,026.30 = 14,203.96 : x
  2. Step 2: Convert to fraction form
    21,769.76/30,026.30 = 14,203.96/x
  3. Step 3: Cross multiply
    21,769.76x = 30,026.30 × 14,203.96
  4. Step 4: Simplify right side
    21,769.76x = 426,492,218.06
  5. Step 5: Solve for x
    x = 426,492,218.06/21,769.76
  6. Step 6: Final answer
    x = 19,591.04

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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.