Home / 28,480.66-39,301.54-17,153.82

Finding the Fourth Proportional to 28,480.66, 39,301.54 and 17,153.82

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Solution

The fourth proportional to 28,480.66, 39,301.54 and 17,153.82 is: 23,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.66 : 39,301.54 = 17,153.82 : x
  2. Step 2: Convert to fraction form
    28,480.66/39,301.54 = 17,153.82/x
  3. Step 3: Cross multiply
    28,480.66x = 39,301.54 × 17,153.82
  4. Step 4: Simplify right side
    28,480.66x = 674,171,500.00
  5. Step 5: Solve for x
    x = 674,171,500.00/28,480.66
  6. Step 6: Final answer
    x = 23,671.21

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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.