Home / 20,333.22-30,510.27-15,401.22

Finding the Fourth Proportional to 20,333.22, 30,510.27 and 15,401.22

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Solution

The fourth proportional to 20,333.22, 30,510.27 and 15,401.22 is: 23,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.22 : 30,510.27 = 15,401.22 : x
  2. Step 2: Convert to fraction form
    20,333.22/30,510.27 = 15,401.22/x
  3. Step 3: Cross multiply
    20,333.22x = 30,510.27 × 15,401.22
  4. Step 4: Simplify right side
    20,333.22x = 469,895,380.53
  5. Step 5: Solve for x
    x = 469,895,380.53/20,333.22
  6. Step 6: Final answer
    x = 23,109.74

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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.