Home / 21,008.10-29,000.82-14,962.26

Finding the Fourth Proportional to 21,008.10, 29,000.82 and 14,962.26

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Solution

The fourth proportional to 21,008.10, 29,000.82 and 14,962.26 is: 20,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008.10 : 29,000.82 = 14,962.26 : x
  2. Step 2: Convert to fraction form
    21,008.10/29,000.82 = 14,962.26/x
  3. Step 3: Cross multiply
    21,008.10x = 29,000.82 × 14,962.26
  4. Step 4: Simplify right side
    21,008.10x = 433,917,809.05
  5. Step 5: Solve for x
    x = 433,917,809.05/21,008.10
  6. Step 6: Final answer
    x = 20,654.79

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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.