Home / 28,493.89-39,323.07-17,166.95

Finding the Fourth Proportional to 28,493.89, 39,323.07 and 17,166.95

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Solution

The fourth proportional to 28,493.89, 39,323.07 and 17,166.95 is: 23,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.89 : 39,323.07 = 17,166.95 : x
  2. Step 2: Convert to fraction form
    28,493.89/39,323.07 = 17,166.95/x
  3. Step 3: Cross multiply
    28,493.89x = 39,323.07 × 17,166.95
  4. Step 4: Simplify right side
    28,493.89x = 675,057,127.38
  5. Step 5: Solve for x
    x = 675,057,127.38/28,493.89
  6. Step 6: Final answer
    x = 23,691.30

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1.5x scale

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.