Home / 18,428.36-27,642.02-4,577.32

Finding the Fourth Proportional to 18,428.36, 27,642.02 and 4,577.32

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Solution

The fourth proportional to 18,428.36, 27,642.02 and 4,577.32 is: 6,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.36 : 27,642.02 = 4,577.32 : x
  2. Step 2: Convert to fraction form
    18,428.36/27,642.02 = 4,577.32/x
  3. Step 3: Cross multiply
    18,428.36x = 27,642.02 × 4,577.32
  4. Step 4: Simplify right side
    18,428.36x = 126,526,370.99
  5. Step 5: Solve for x
    x = 126,526,370.99/18,428.36
  6. Step 6: Final answer
    x = 6,865.85

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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.