Home / 28,297.13-42,451.86-10,525.02

Finding the Fourth Proportional to 28,297.13, 42,451.86 and 10,525.02

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Solution

The fourth proportional to 28,297.13, 42,451.86 and 10,525.02 is: 15,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.13 : 42,451.86 = 10,525.02 : x
  2. Step 2: Convert to fraction form
    28,297.13/42,451.86 = 10,525.02/x
  3. Step 3: Cross multiply
    28,297.13x = 42,451.86 × 10,525.02
  4. Step 4: Simplify right side
    28,297.13x = 446,806,675.54
  5. Step 5: Solve for x
    x = 446,806,675.54/28,297.13
  6. Step 6: Final answer
    x = 15,789.83

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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.