Home / 28,325.20-42,436.60-23,102.80

Finding the Fourth Proportional to 28,325.20, 42,436.60 and 23,102.80

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Solution

The fourth proportional to 28,325.20, 42,436.60 and 23,102.80 is: 34,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.20 : 42,436.60 = 23,102.80 : x
  2. Step 2: Convert to fraction form
    28,325.20/42,436.60 = 23,102.80/x
  3. Step 3: Cross multiply
    28,325.20x = 42,436.60 × 23,102.80
  4. Step 4: Simplify right side
    28,325.20x = 980,404,282.48
  5. Step 5: Solve for x
    x = 980,404,282.48/28,325.20
  6. Step 6: Final answer
    x = 34,612.44

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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.