Home / 28,220.06-42,338.33-12,634.04

Finding the Fourth Proportional to 28,220.06, 42,338.33 and 12,634.04

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Solution

The fourth proportional to 28,220.06, 42,338.33 and 12,634.04 is: 18,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.06 : 42,338.33 = 12,634.04 : x
  2. Step 2: Convert to fraction form
    28,220.06/42,338.33 = 12,634.04/x
  3. Step 3: Cross multiply
    28,220.06x = 42,338.33 × 12,634.04
  4. Step 4: Simplify right side
    28,220.06x = 534,904,091.58
  5. Step 5: Solve for x
    x = 534,904,091.58/28,220.06
  6. Step 6: Final answer
    x = 18,954.75

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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.