Home / 28,792.56-39,711.15-18,724.26

Finding the Fourth Proportional to 28,792.56, 39,711.15 and 18,724.26

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Solution

The fourth proportional to 28,792.56, 39,711.15 and 18,724.26 is: 25,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.56 : 39,711.15 = 18,724.26 : x
  2. Step 2: Convert to fraction form
    28,792.56/39,711.15 = 18,724.26/x
  3. Step 3: Cross multiply
    28,792.56x = 39,711.15 × 18,724.26
  4. Step 4: Simplify right side
    28,792.56x = 743,561,897.50
  5. Step 5: Solve for x
    x = 743,561,897.50/28,792.56
  6. Step 6: Final answer
    x = 25,824.79

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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.