Home / 28,733.04-39,652.20-16,161.84

Finding the Fourth Proportional to 28,733.04, 39,652.20 and 16,161.84

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Solution

The fourth proportional to 28,733.04, 39,652.20 and 16,161.84 is: 22,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.04 : 39,652.20 = 16,161.84 : x
  2. Step 2: Convert to fraction form
    28,733.04/39,652.20 = 16,161.84/x
  3. Step 3: Cross multiply
    28,733.04x = 39,652.20 × 16,161.84
  4. Step 4: Simplify right side
    28,733.04x = 640,852,512.05
  5. Step 5: Solve for x
    x = 640,852,512.05/28,733.04
  6. Step 6: Final answer
    x = 22,303.68

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1.5x scale

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.