Home / 21,765.39-32,617.29-9,272.84

Finding the Fourth Proportional to 21,765.39, 32,617.29 and 9,272.84

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Solution

The fourth proportional to 21,765.39, 32,617.29 and 9,272.84 is: 13,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.39 : 32,617.29 = 9,272.84 : x
  2. Step 2: Convert to fraction form
    21,765.39/32,617.29 = 9,272.84/x
  3. Step 3: Cross multiply
    21,765.39x = 32,617.29 × 9,272.84
  4. Step 4: Simplify right side
    21,765.39x = 302,454,748.32
  5. Step 5: Solve for x
    x = 302,454,748.32/21,765.39
  6. Step 6: Final answer
    x = 13,896.13

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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.