Home / 21,266.18-29,341.86-14,553.88

Finding the Fourth Proportional to 21,266.18, 29,341.86 and 14,553.88

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Solution

The fourth proportional to 21,266.18, 29,341.86 and 14,553.88 is: 20,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.18 : 29,341.86 = 14,553.88 : x
  2. Step 2: Convert to fraction form
    21,266.18/29,341.86 = 14,553.88/x
  3. Step 3: Cross multiply
    21,266.18x = 29,341.86 × 14,553.88
  4. Step 4: Simplify right side
    21,266.18x = 427,037,909.42
  5. Step 5: Solve for x
    x = 427,037,909.42/21,266.18
  6. Step 6: Final answer
    x = 20,080.61

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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.