Home / 34,628.16-47,802.84-20,286

Finding the Fourth Proportional to 34,628.16, 47,802.84 and 20,286

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Solution

The fourth proportional to 34,628.16, 47,802.84 and 20,286 is: 28,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,628.16 : 47,802.84 = 20,286 : x
  2. Step 2: Convert to fraction form
    34,628.16/47,802.84 = 20,286/x
  3. Step 3: Cross multiply
    34,628.16x = 47,802.84 × 20,286
  4. Step 4: Simplify right side
    34,628.16x = 969,728,412.24
  5. Step 5: Solve for x
    x = 969,728,412.24/34,628.16
  6. Step 6: Final answer
    x = 28,004.04

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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.