Home / 21,568.88-32,355.55-5,986.51

Finding the Fourth Proportional to 21,568.88, 32,355.55 and 5,986.51

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Solution

The fourth proportional to 21,568.88, 32,355.55 and 5,986.51 is: 8,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.88 : 32,355.55 = 5,986.51 : x
  2. Step 2: Convert to fraction form
    21,568.88/32,355.55 = 5,986.51/x
  3. Step 3: Cross multiply
    21,568.88x = 32,355.55 × 5,986.51
  4. Step 4: Simplify right side
    21,568.88x = 193,696,750.22
  5. Step 5: Solve for x
    x = 193,696,750.22/21,568.88
  6. Step 6: Final answer
    x = 8,980.38

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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.