Home / 20,350.32-30,664.13-16,733.57

Finding the Fourth Proportional to 20,350.32, 30,664.13 and 16,733.57

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Solution

The fourth proportional to 20,350.32, 30,664.13 and 16,733.57 is: 25,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.32 : 30,664.13 = 16,733.57 : x
  2. Step 2: Convert to fraction form
    20,350.32/30,664.13 = 16,733.57/x
  3. Step 3: Cross multiply
    20,350.32x = 30,664.13 × 16,733.57
  4. Step 4: Simplify right side
    20,350.32x = 513,120,128.86
  5. Step 5: Solve for x
    x = 513,120,128.86/20,350.32
  6. Step 6: Final answer
    x = 25,214.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.