Home / 28,672.60-43,001.70-10,200.28

Finding the Fourth Proportional to 28,672.60, 43,001.70 and 10,200.28

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Solution

The fourth proportional to 28,672.60, 43,001.70 and 10,200.28 is: 15,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.60 : 43,001.70 = 10,200.28 : x
  2. Step 2: Convert to fraction form
    28,672.60/43,001.70 = 10,200.28/x
  3. Step 3: Cross multiply
    28,672.60x = 43,001.70 × 10,200.28
  4. Step 4: Simplify right side
    28,672.60x = 438,629,380.48
  5. Step 5: Solve for x
    x = 438,629,380.48/28,672.60
  6. Step 6: Final answer
    x = 15,297.86

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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.