Home / 21,625.89-32,376.06-19,374.90

Finding the Fourth Proportional to 21,625.89, 32,376.06 and 19,374.90

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Solution

The fourth proportional to 21,625.89, 32,376.06 and 19,374.90 is: 29,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.89 : 32,376.06 = 19,374.90 : x
  2. Step 2: Convert to fraction form
    21,625.89/32,376.06 = 19,374.90/x
  3. Step 3: Cross multiply
    21,625.89x = 32,376.06 × 19,374.90
  4. Step 4: Simplify right side
    21,625.89x = 627,282,924.89
  5. Step 5: Solve for x
    x = 627,282,924.89/21,625.89
  6. Step 6: Final answer
    x = 29,006.11

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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.