Home / 26,638.68-36,761.04-15,308.04

Finding the Fourth Proportional to 26,638.68, 36,761.04 and 15,308.04

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Solution

The fourth proportional to 26,638.68, 36,761.04 and 15,308.04 is: 21,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.68 : 36,761.04 = 15,308.04 : x
  2. Step 2: Convert to fraction form
    26,638.68/36,761.04 = 15,308.04/x
  3. Step 3: Cross multiply
    26,638.68x = 36,761.04 × 15,308.04
  4. Step 4: Simplify right side
    26,638.68x = 562,739,470.76
  5. Step 5: Solve for x
    x = 562,739,470.76/26,638.68
  6. Step 6: Final answer
    x = 21,124.90

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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.