Home / 28,716.48-39,616.56-17,532

Finding the Fourth Proportional to 28,716.48, 39,616.56 and 17,532

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Solution

The fourth proportional to 28,716.48, 39,616.56 and 17,532 is: 24,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.48 : 39,616.56 = 17,532 : x
  2. Step 2: Convert to fraction form
    28,716.48/39,616.56 = 17,532/x
  3. Step 3: Cross multiply
    28,716.48x = 39,616.56 × 17,532
  4. Step 4: Simplify right side
    28,716.48x = 694,557,529.92
  5. Step 5: Solve for x
    x = 694,557,529.92/28,716.48
  6. Step 6: Final answer
    x = 24,186.72

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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.