Home / 28,975.80-39,947.34-24,772.02

Finding the Fourth Proportional to 28,975.80, 39,947.34 and 24,772.02

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Solution

The fourth proportional to 28,975.80, 39,947.34 and 24,772.02 is: 34,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.80 : 39,947.34 = 24,772.02 : x
  2. Step 2: Convert to fraction form
    28,975.80/39,947.34 = 24,772.02/x
  3. Step 3: Cross multiply
    28,975.80x = 39,947.34 × 24,772.02
  4. Step 4: Simplify right side
    28,975.80x = 989,576,105.69
  5. Step 5: Solve for x
    x = 989,576,105.69/28,975.80
  6. Step 6: Final answer
    x = 34,151.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.