Home / 28,324.15-42,506.57-18,982.01

Finding the Fourth Proportional to 28,324.15, 42,506.57 and 18,982.01

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Solution

The fourth proportional to 28,324.15, 42,506.57 and 18,982.01 is: 28,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.15 : 42,506.57 = 18,982.01 : x
  2. Step 2: Convert to fraction form
    28,324.15/42,506.57 = 18,982.01/x
  3. Step 3: Cross multiply
    28,324.15x = 42,506.57 × 18,982.01
  4. Step 4: Simplify right side
    28,324.15x = 806,860,290.53
  5. Step 5: Solve for x
    x = 806,860,290.53/28,324.15
  6. Step 6: Final answer
    x = 28,486.66

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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.