Home / 28,528.25-42,781.41-19,736.51

Finding the Fourth Proportional to 28,528.25, 42,781.41 and 19,736.51

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Solution

The fourth proportional to 28,528.25, 42,781.41 and 19,736.51 is: 29,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.25 : 42,781.41 = 19,736.51 : x
  2. Step 2: Convert to fraction form
    28,528.25/42,781.41 = 19,736.51/x
  3. Step 3: Cross multiply
    28,528.25x = 42,781.41 × 19,736.51
  4. Step 4: Simplify right side
    28,528.25x = 844,355,512.37
  5. Step 5: Solve for x
    x = 844,355,512.37/28,528.25
  6. Step 6: Final answer
    x = 29,597.18

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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.