Home / 21,359.54-32,039.32-5,564.53

Finding the Fourth Proportional to 21,359.54, 32,039.32 and 5,564.53

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Solution

The fourth proportional to 21,359.54, 32,039.32 and 5,564.53 is: 8,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.54 : 32,039.32 = 5,564.53 : x
  2. Step 2: Convert to fraction form
    21,359.54/32,039.32 = 5,564.53/x
  3. Step 3: Cross multiply
    21,359.54x = 32,039.32 × 5,564.53
  4. Step 4: Simplify right side
    21,359.54x = 178,283,569.30
  5. Step 5: Solve for x
    x = 178,283,569.30/21,359.54
  6. Step 6: Final answer
    x = 8,346.79

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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.