Home / 26,179.36-39,269.10-10,607.92

Finding the Fourth Proportional to 26,179.36, 39,269.10 and 10,607.92

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Solution

The fourth proportional to 26,179.36, 39,269.10 and 10,607.92 is: 15,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.36 : 39,269.10 = 10,607.92 : x
  2. Step 2: Convert to fraction form
    26,179.36/39,269.10 = 10,607.92/x
  3. Step 3: Cross multiply
    26,179.36x = 39,269.10 × 10,607.92
  4. Step 4: Simplify right side
    26,179.36x = 416,563,471.27
  5. Step 5: Solve for x
    x = 416,563,471.27/26,179.36
  6. Step 6: Final answer
    x = 15,911.90

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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.