Home / 26,080.81-39,120.12-12,036.17

Finding the Fourth Proportional to 26,080.81, 39,120.12 and 12,036.17

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Solution

The fourth proportional to 26,080.81, 39,120.12 and 12,036.17 is: 18,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.81 : 39,120.12 = 12,036.17 : x
  2. Step 2: Convert to fraction form
    26,080.81/39,120.12 = 12,036.17/x
  3. Step 3: Cross multiply
    26,080.81x = 39,120.12 × 12,036.17
  4. Step 4: Simplify right side
    26,080.81x = 470,856,249.23
  5. Step 5: Solve for x
    x = 470,856,249.23/26,080.81
  6. Step 6: Final answer
    x = 18,053.75

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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.