Home / 28,100.54-42,150.82-15,614.60

Finding the Fourth Proportional to 28,100.54, 42,150.82 and 15,614.60

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Solution

The fourth proportional to 28,100.54, 42,150.82 and 15,614.60 is: 23,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.54 : 42,150.82 = 15,614.60 : x
  2. Step 2: Convert to fraction form
    28,100.54/42,150.82 = 15,614.60/x
  3. Step 3: Cross multiply
    28,100.54x = 42,150.82 × 15,614.60
  4. Step 4: Simplify right side
    28,100.54x = 658,168,193.97
  5. Step 5: Solve for x
    x = 658,168,193.97/28,100.54
  6. Step 6: Final answer
    x = 23,421.91

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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.