Home / 28,969.74-43,462.86-9,249.84

Finding the Fourth Proportional to 28,969.74, 43,462.86 and 9,249.84

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Solution

The fourth proportional to 28,969.74, 43,462.86 and 9,249.84 is: 13,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.74 : 43,462.86 = 9,249.84 : x
  2. Step 2: Convert to fraction form
    28,969.74/43,462.86 = 9,249.84/x
  3. Step 3: Cross multiply
    28,969.74x = 43,462.86 × 9,249.84
  4. Step 4: Simplify right side
    28,969.74x = 402,024,500.94
  5. Step 5: Solve for x
    x = 402,024,500.94/28,969.74
  6. Step 6: Final answer
    x = 13,877.39

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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.