Home / 20,401.92-30,568.32-16,254.72

Finding the Fourth Proportional to 20,401.92, 30,568.32 and 16,254.72

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Solution

The fourth proportional to 20,401.92, 30,568.32 and 16,254.72 is: 24,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.92 : 30,568.32 = 16,254.72 : x
  2. Step 2: Convert to fraction form
    20,401.92/30,568.32 = 16,254.72/x
  3. Step 3: Cross multiply
    20,401.92x = 30,568.32 × 16,254.72
  4. Step 4: Simplify right side
    20,401.92x = 496,879,482.47
  5. Step 5: Solve for x
    x = 496,879,482.47/20,401.92
  6. Step 6: Final answer
    x = 24,354.55

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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.