Home / 26,382.87-36,408.57-15,628.33

Finding the Fourth Proportional to 26,382.87, 36,408.57 and 15,628.33

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Solution

The fourth proportional to 26,382.87, 36,408.57 and 15,628.33 is: 21,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.87 : 36,408.57 = 15,628.33 : x
  2. Step 2: Convert to fraction form
    26,382.87/36,408.57 = 15,628.33/x
  3. Step 3: Cross multiply
    26,382.87x = 36,408.57 × 15,628.33
  4. Step 4: Simplify right side
    26,382.87x = 569,005,146.79
  5. Step 5: Solve for x
    x = 569,005,146.79/26,382.87
  6. Step 6: Final answer
    x = 21,567.22

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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.