Home / 20,492.27-30,732.32-8,802.75

Finding the Fourth Proportional to 20,492.27, 30,732.32 and 8,802.75

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Solution

The fourth proportional to 20,492.27, 30,732.32 and 8,802.75 is: 13,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.27 : 30,732.32 = 8,802.75 : x
  2. Step 2: Convert to fraction form
    20,492.27/30,732.32 = 8,802.75/x
  3. Step 3: Cross multiply
    20,492.27x = 30,732.32 × 8,802.75
  4. Step 4: Simplify right side
    20,492.27x = 270,528,951.89
  5. Step 5: Solve for x
    x = 270,528,951.89/20,492.27
  6. Step 6: Final answer
    x = 13,201.52

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1.5x scale

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.