Home / 21,969.29-32,953.81-5,329.33

Finding the Fourth Proportional to 21,969.29, 32,953.81 and 5,329.33

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Solution

The fourth proportional to 21,969.29, 32,953.81 and 5,329.33 is: 7,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.29 : 32,953.81 = 5,329.33 : x
  2. Step 2: Convert to fraction form
    21,969.29/32,953.81 = 5,329.33/x
  3. Step 3: Cross multiply
    21,969.29x = 32,953.81 × 5,329.33
  4. Step 4: Simplify right side
    21,969.29x = 175,621,728.25
  5. Step 5: Solve for x
    x = 175,621,728.25/21,969.29
  6. Step 6: Final answer
    x = 7,993.96

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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.