Home / 21,959.10-32,860.89-14,939.82

Finding the Fourth Proportional to 21,959.10, 32,860.89 and 14,939.82

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Solution

The fourth proportional to 21,959.10, 32,860.89 and 14,939.82 is: 22,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.10 : 32,860.89 = 14,939.82 : x
  2. Step 2: Convert to fraction form
    21,959.10/32,860.89 = 14,939.82/x
  3. Step 3: Cross multiply
    21,959.10x = 32,860.89 × 14,939.82
  4. Step 4: Simplify right side
    21,959.10x = 490,935,781.64
  5. Step 5: Solve for x
    x = 490,935,781.64/21,959.10
  6. Step 6: Final answer
    x = 22,356.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.