Home / 28,081.33-42,122.45-9,361.11

Finding the Fourth Proportional to 28,081.33, 42,122.45 and 9,361.11

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Solution

The fourth proportional to 28,081.33, 42,122.45 and 9,361.11 is: 14,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.33 : 42,122.45 = 9,361.11 : x
  2. Step 2: Convert to fraction form
    28,081.33/42,122.45 = 9,361.11/x
  3. Step 3: Cross multiply
    28,081.33x = 42,122.45 × 9,361.11
  4. Step 4: Simplify right side
    28,081.33x = 394,312,841.11
  5. Step 5: Solve for x
    x = 394,312,841.11/28,081.33
  6. Step 6: Final answer
    x = 14,041.82

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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.