Home / 28,772.57-43,114.09-10,993.53

Finding the Fourth Proportional to 28,772.57, 43,114.09 and 10,993.53

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Solution

The fourth proportional to 28,772.57, 43,114.09 and 10,993.53 is: 16,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.57 : 43,114.09 = 10,993.53 : x
  2. Step 2: Convert to fraction form
    28,772.57/43,114.09 = 10,993.53/x
  3. Step 3: Cross multiply
    28,772.57x = 43,114.09 × 10,993.53
  4. Step 4: Simplify right side
    28,772.57x = 473,976,041.84
  5. Step 5: Solve for x
    x = 473,976,041.84/28,772.57
  6. Step 6: Final answer
    x = 16,473.19

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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.