Home / 26,065.08-35,969.94-15,317.20

Finding the Fourth Proportional to 26,065.08, 35,969.94 and 15,317.20

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Solution

The fourth proportional to 26,065.08, 35,969.94 and 15,317.20 is: 21,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,065.08 : 35,969.94 = 15,317.20 : x
  2. Step 2: Convert to fraction form
    26,065.08/35,969.94 = 15,317.20/x
  3. Step 3: Cross multiply
    26,065.08x = 35,969.94 × 15,317.20
  4. Step 4: Simplify right side
    26,065.08x = 550,958,764.97
  5. Step 5: Solve for x
    x = 550,958,764.97/26,065.08
  6. Step 6: Final answer
    x = 21,137.81

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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.