Home / 21,603.22-32,368.34-13,265.88

Finding the Fourth Proportional to 21,603.22, 32,368.34 and 13,265.88

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Solution

The fourth proportional to 21,603.22, 32,368.34 and 13,265.88 is: 19,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.22 : 32,368.34 = 13,265.88 : x
  2. Step 2: Convert to fraction form
    21,603.22/32,368.34 = 13,265.88/x
  3. Step 3: Cross multiply
    21,603.22x = 32,368.34 × 13,265.88
  4. Step 4: Simplify right side
    21,603.22x = 429,394,514.24
  5. Step 5: Solve for x
    x = 429,394,514.24/21,603.22
  6. Step 6: Final answer
    x = 19,876.41

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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.