Home / 21,965.96-32,948.64-5,326.14

Finding the Fourth Proportional to 21,965.96, 32,948.64 and 5,326.14

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Solution

The fourth proportional to 21,965.96, 32,948.64 and 5,326.14 is: 7,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.96 : 32,948.64 = 5,326.14 : x
  2. Step 2: Convert to fraction form
    21,965.96/32,948.64 = 5,326.14/x
  3. Step 3: Cross multiply
    21,965.96x = 32,948.64 × 5,326.14
  4. Step 4: Simplify right side
    21,965.96x = 175,489,069.45
  5. Step 5: Solve for x
    x = 175,489,069.45/21,965.96
  6. Step 6: Final answer
    x = 7,989.14

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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.