Home / 15,492.20-23,238.09-3,805.31

Finding the Fourth Proportional to 15,492.20, 23,238.09 and 3,805.31

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Solution

The fourth proportional to 15,492.20, 23,238.09 and 3,805.31 is: 5,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.20 : 23,238.09 = 3,805.31 : x
  2. Step 2: Convert to fraction form
    15,492.20/23,238.09 = 3,805.31/x
  3. Step 3: Cross multiply
    15,492.20x = 23,238.09 × 3,805.31
  4. Step 4: Simplify right side
    15,492.20x = 88,428,194.35
  5. Step 5: Solve for x
    x = 88,428,194.35/15,492.20
  6. Step 6: Final answer
    x = 5,707.92

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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.