Home / 28,520.28-42,722.94-23,886.60

Finding the Fourth Proportional to 28,520.28, 42,722.94 and 23,886.60

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Solution

The fourth proportional to 28,520.28, 42,722.94 and 23,886.60 is: 35,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.28 : 42,722.94 = 23,886.60 : x
  2. Step 2: Convert to fraction form
    28,520.28/42,722.94 = 23,886.60/x
  3. Step 3: Cross multiply
    28,520.28x = 42,722.94 × 23,886.60
  4. Step 4: Simplify right side
    28,520.28x = 1,020,505,778.60
  5. Step 5: Solve for x
    x = 1,020,505,778.60/28,520.28
  6. Step 6: Final answer
    x = 35,781.76

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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.