Home / 21,845.18-32,717.82-13,062.08

Finding the Fourth Proportional to 21,845.18, 32,717.82 and 13,062.08

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Solution

The fourth proportional to 21,845.18, 32,717.82 and 13,062.08 is: 19,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.18 : 32,717.82 = 13,062.08 : x
  2. Step 2: Convert to fraction form
    21,845.18/32,717.82 = 13,062.08/x
  3. Step 3: Cross multiply
    21,845.18x = 32,717.82 × 13,062.08
  4. Step 4: Simplify right side
    21,845.18x = 427,362,782.27
  5. Step 5: Solve for x
    x = 427,362,782.27/21,845.18
  6. Step 6: Final answer
    x = 19,563.25

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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.