Home / 28,433.54-42,562.82-18,551.54

Finding the Fourth Proportional to 28,433.54, 42,562.82 and 18,551.54

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Solution

The fourth proportional to 28,433.54, 42,562.82 and 18,551.54 is: 27,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.54 : 42,562.82 = 18,551.54 : x
  2. Step 2: Convert to fraction form
    28,433.54/42,562.82 = 18,551.54/x
  3. Step 3: Cross multiply
    28,433.54x = 42,562.82 × 18,551.54
  4. Step 4: Simplify right side
    28,433.54x = 789,605,552.17
  5. Step 5: Solve for x
    x = 789,605,552.17/28,433.54
  6. Step 6: Final answer
    x = 27,770.22

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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.