Home / 26,006.81-35,926.13-20,694.83

Finding the Fourth Proportional to 26,006.81, 35,926.13 and 20,694.83

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Solution

The fourth proportional to 26,006.81, 35,926.13 and 20,694.83 is: 28,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.81 : 35,926.13 = 20,694.83 : x
  2. Step 2: Convert to fraction form
    26,006.81/35,926.13 = 20,694.83/x
  3. Step 3: Cross multiply
    26,006.81x = 35,926.13 × 20,694.83
  4. Step 4: Simplify right side
    26,006.81x = 743,485,025.01
  5. Step 5: Solve for x
    x = 743,485,025.01/26,006.81
  6. Step 6: Final answer
    x = 28,588.10

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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.