Home / 21,609.08-32,348.82-15,371

Finding the Fourth Proportional to 21,609.08, 32,348.82 and 15,371

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Solution

The fourth proportional to 21,609.08, 32,348.82 and 15,371 is: 23,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.08 : 32,348.82 = 15,371 : x
  2. Step 2: Convert to fraction form
    21,609.08/32,348.82 = 15,371/x
  3. Step 3: Cross multiply
    21,609.08x = 32,348.82 × 15,371
  4. Step 4: Simplify right side
    21,609.08x = 497,233,712.22
  5. Step 5: Solve for x
    x = 497,233,712.22/21,609.08
  6. Step 6: Final answer
    x = 23,010.41

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1.5x scale

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.