Home / 28,772.33-43,110.97-13,155.53

Finding the Fourth Proportional to 28,772.33, 43,110.97 and 13,155.53

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Solution

The fourth proportional to 28,772.33, 43,110.97 and 13,155.53 is: 19,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772.33 : 43,110.97 = 13,155.53 : x
  2. Step 2: Convert to fraction form
    28,772.33/43,110.97 = 13,155.53/x
  3. Step 3: Cross multiply
    28,772.33x = 43,110.97 × 13,155.53
  4. Step 4: Simplify right side
    28,772.33x = 567,147,410.72
  5. Step 5: Solve for x
    x = 567,147,410.72/28,772.33
  6. Step 6: Final answer
    x = 19,711.56

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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.