Home / 22,708.20-34,013.70-18,820.20

Finding the Fourth Proportional to 22,708.20, 34,013.70 and 18,820.20

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Solution

The fourth proportional to 22,708.20, 34,013.70 and 18,820.20 is: 28,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.20 : 34,013.70 = 18,820.20 : x
  2. Step 2: Convert to fraction form
    22,708.20/34,013.70 = 18,820.20/x
  3. Step 3: Cross multiply
    22,708.20x = 34,013.70 × 18,820.20
  4. Step 4: Simplify right side
    22,708.20x = 640,144,636.74
  5. Step 5: Solve for x
    x = 640,144,636.74/22,708.20
  6. Step 6: Final answer
    x = 28,190.02

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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.