Home / 21,969.79-32,954.56-5,329.83

Finding the Fourth Proportional to 21,969.79, 32,954.56 and 5,329.83

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Solution

The fourth proportional to 21,969.79, 32,954.56 and 5,329.83 is: 7,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.79 : 32,954.56 = 5,329.83 : x
  2. Step 2: Convert to fraction form
    21,969.79/32,954.56 = 5,329.83/x
  3. Step 3: Cross multiply
    21,969.79x = 32,954.56 × 5,329.83
  4. Step 4: Simplify right side
    21,969.79x = 175,642,202.52
  5. Step 5: Solve for x
    x = 175,642,202.52/21,969.79
  6. Step 6: Final answer
    x = 7,994.71

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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.