Home / 21,568.36-32,329.50-15,393.64

Finding the Fourth Proportional to 21,568.36, 32,329.50 and 15,393.64

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Solution

The fourth proportional to 21,568.36, 32,329.50 and 15,393.64 is: 23,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.36 : 32,329.50 = 15,393.64 : x
  2. Step 2: Convert to fraction form
    21,568.36/32,329.50 = 15,393.64/x
  3. Step 3: Cross multiply
    21,568.36x = 32,329.50 × 15,393.64
  4. Step 4: Simplify right side
    21,568.36x = 497,668,684.38
  5. Step 5: Solve for x
    x = 497,668,684.38/21,568.36
  6. Step 6: Final answer
    x = 23,074.02

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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.