Home / 26,028.92-35,914.82-15,420.60

Finding the Fourth Proportional to 26,028.92, 35,914.82 and 15,420.60

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Solution

The fourth proportional to 26,028.92, 35,914.82 and 15,420.60 is: 21,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.92 : 35,914.82 = 15,420.60 : x
  2. Step 2: Convert to fraction form
    26,028.92/35,914.82 = 15,420.60/x
  3. Step 3: Cross multiply
    26,028.92x = 35,914.82 × 15,420.60
  4. Step 4: Simplify right side
    26,028.92x = 553,828,073.29
  5. Step 5: Solve for x
    x = 553,828,073.29/26,028.92
  6. Step 6: Final answer
    x = 21,277.41

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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.