Home / 28,338.98-42,508.56-13,544.54

Finding the Fourth Proportional to 28,338.98, 42,508.56 and 13,544.54

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Solution

The fourth proportional to 28,338.98, 42,508.56 and 13,544.54 is: 20,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.98 : 42,508.56 = 13,544.54 : x
  2. Step 2: Convert to fraction form
    28,338.98/42,508.56 = 13,544.54/x
  3. Step 3: Cross multiply
    28,338.98x = 42,508.56 × 13,544.54
  4. Step 4: Simplify right side
    28,338.98x = 575,758,891.26
  5. Step 5: Solve for x
    x = 575,758,891.26/28,338.98
  6. Step 6: Final answer
    x = 20,316.85

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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.