Home / 21,273.66-32,070.96-19,846.98

Finding the Fourth Proportional to 21,273.66, 32,070.96 and 19,846.98

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Solution

The fourth proportional to 21,273.66, 32,070.96 and 19,846.98 is: 29,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.66 : 32,070.96 = 19,846.98 : x
  2. Step 2: Convert to fraction form
    21,273.66/32,070.96 = 19,846.98/x
  3. Step 3: Cross multiply
    21,273.66x = 32,070.96 × 19,846.98
  4. Step 4: Simplify right side
    21,273.66x = 636,511,701.70
  5. Step 5: Solve for x
    x = 636,511,701.70/21,273.66
  6. Step 6: Final answer
    x = 29,920.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.