Home / 21,625.72-32,356.40-13,194.51

Finding the Fourth Proportional to 21,625.72, 32,356.40 and 13,194.51

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Solution

The fourth proportional to 21,625.72, 32,356.40 and 13,194.51 is: 19,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.72 : 32,356.40 = 13,194.51 : x
  2. Step 2: Convert to fraction form
    21,625.72/32,356.40 = 13,194.51/x
  3. Step 3: Cross multiply
    21,625.72x = 32,356.40 × 13,194.51
  4. Step 4: Simplify right side
    21,625.72x = 426,926,876.35
  5. Step 5: Solve for x
    x = 426,926,876.35/21,625.72
  6. Step 6: Final answer
    x = 19,741.63

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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.