Home / 28,551.24-39,400.76-15,976

Finding the Fourth Proportional to 28,551.24, 39,400.76 and 15,976

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Solution

The fourth proportional to 28,551.24, 39,400.76 and 15,976 is: 22,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.24 : 39,400.76 = 15,976 : x
  2. Step 2: Convert to fraction form
    28,551.24/39,400.76 = 15,976/x
  3. Step 3: Cross multiply
    28,551.24x = 39,400.76 × 15,976
  4. Step 4: Simplify right side
    28,551.24x = 629,466,541.76
  5. Step 5: Solve for x
    x = 629,466,541.76/28,551.24
  6. Step 6: Final answer
    x = 22,046.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.