Home / 28,324.91-42,493.04-15,862.66

Finding the Fourth Proportional to 28,324.91, 42,493.04 and 15,862.66

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Solution

The fourth proportional to 28,324.91, 42,493.04 and 15,862.66 is: 23,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.91 : 42,493.04 = 15,862.66 : x
  2. Step 2: Convert to fraction form
    28,324.91/42,493.04 = 15,862.66/x
  3. Step 3: Cross multiply
    28,324.91x = 42,493.04 × 15,862.66
  4. Step 4: Simplify right side
    28,324.91x = 674,052,645.89
  5. Step 5: Solve for x
    x = 674,052,645.89/28,324.91
  6. Step 6: Final answer
    x = 23,797.17

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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.