Home / 18,268.98-27,406.80-5,792.15

Finding the Fourth Proportional to 18,268.98, 27,406.80 and 5,792.15

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Solution

The fourth proportional to 18,268.98, 27,406.80 and 5,792.15 is: 8,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.98 : 27,406.80 = 5,792.15 : x
  2. Step 2: Convert to fraction form
    18,268.98/27,406.80 = 5,792.15/x
  3. Step 3: Cross multiply
    18,268.98x = 27,406.80 × 5,792.15
  4. Step 4: Simplify right side
    18,268.98x = 158,744,159.59
  5. Step 5: Solve for x
    x = 158,744,159.59/18,268.98
  6. Step 6: Final answer
    x = 8,689.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.