Home / 21,765.42-32,604.39-11,355.30

Finding the Fourth Proportional to 21,765.42, 32,604.39 and 11,355.30

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Solution

The fourth proportional to 21,765.42, 32,604.39 and 11,355.30 is: 17,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.42 : 32,604.39 = 11,355.30 : x
  2. Step 2: Convert to fraction form
    21,765.42/32,604.39 = 11,355.30/x
  3. Step 3: Cross multiply
    21,765.42x = 32,604.39 × 11,355.30
  4. Step 4: Simplify right side
    21,765.42x = 370,232,572.99
  5. Step 5: Solve for x
    x = 370,232,572.99/21,765.42
  6. Step 6: Final answer
    x = 17,010.13

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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.