Home / 21,419.33-32,073.11-17,236.49

Finding the Fourth Proportional to 21,419.33, 32,073.11 and 17,236.49

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Solution

The fourth proportional to 21,419.33, 32,073.11 and 17,236.49 is: 25,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419.33 : 32,073.11 = 17,236.49 : x
  2. Step 2: Convert to fraction form
    21,419.33/32,073.11 = 17,236.49/x
  3. Step 3: Cross multiply
    21,419.33x = 32,073.11 × 17,236.49
  4. Step 4: Simplify right side
    21,419.33x = 552,827,753.60
  5. Step 5: Solve for x
    x = 552,827,753.60/21,419.33
  6. Step 6: Final answer
    x = 25,809.76

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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.