Home / 26,928.25-37,159.78-15,434.92

Finding the Fourth Proportional to 26,928.25, 37,159.78 and 15,434.92

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Solution

The fourth proportional to 26,928.25, 37,159.78 and 15,434.92 is: 21,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.25 : 37,159.78 = 15,434.92 : x
  2. Step 2: Convert to fraction form
    26,928.25/37,159.78 = 15,434.92/x
  3. Step 3: Cross multiply
    26,928.25x = 37,159.78 × 15,434.92
  4. Step 4: Simplify right side
    26,928.25x = 573,557,968.54
  5. Step 5: Solve for x
    x = 573,557,968.54/26,928.25
  6. Step 6: Final answer
    x = 21,299.49

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1.5x scale

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.