Home / 28,924.10-43,390.20-9,200.60

Finding the Fourth Proportional to 28,924.10, 43,390.20 and 9,200.60

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Solution

The fourth proportional to 28,924.10, 43,390.20 and 9,200.60 is: 13,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.10 : 43,390.20 = 9,200.60 : x
  2. Step 2: Convert to fraction form
    28,924.10/43,390.20 = 9,200.60/x
  3. Step 3: Cross multiply
    28,924.10x = 43,390.20 × 9,200.60
  4. Step 4: Simplify right side
    28,924.10x = 399,215,874.12
  5. Step 5: Solve for x
    x = 399,215,874.12/28,924.10
  6. Step 6: Final answer
    x = 13,802.19

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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.