Home / 21,176.28-31,765.77-5,593.50

Finding the Fourth Proportional to 21,176.28, 31,765.77 and 5,593.50

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Solution

The fourth proportional to 21,176.28, 31,765.77 and 5,593.50 is: 8,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.28 : 31,765.77 = 5,593.50 : x
  2. Step 2: Convert to fraction form
    21,176.28/31,765.77 = 5,593.50/x
  3. Step 3: Cross multiply
    21,176.28x = 31,765.77 × 5,593.50
  4. Step 4: Simplify right side
    21,176.28x = 177,681,834.50
  5. Step 5: Solve for x
    x = 177,681,834.50/21,176.28
  6. Step 6: Final answer
    x = 8,390.61

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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.