Home / 28,954.90-39,952.62-17,020.66

Finding the Fourth Proportional to 28,954.90, 39,952.62 and 17,020.66

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Solution

The fourth proportional to 28,954.90, 39,952.62 and 17,020.66 is: 23,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.90 : 39,952.62 = 17,020.66 : x
  2. Step 2: Convert to fraction form
    28,954.90/39,952.62 = 17,020.66/x
  3. Step 3: Cross multiply
    28,954.90x = 39,952.62 × 17,020.66
  4. Step 4: Simplify right side
    28,954.90x = 680,019,961.13
  5. Step 5: Solve for x
    x = 680,019,961.13/28,954.90
  6. Step 6: Final answer
    x = 23,485.49

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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.