Home / 26,193.12-39,285.78-8,663.04

Finding the Fourth Proportional to 26,193.12, 39,285.78 and 8,663.04

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Solution

The fourth proportional to 26,193.12, 39,285.78 and 8,663.04 is: 12,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.12 : 39,285.78 = 8,663.04 : x
  2. Step 2: Convert to fraction form
    26,193.12/39,285.78 = 8,663.04/x
  3. Step 3: Cross multiply
    26,193.12x = 39,285.78 × 8,663.04
  4. Step 4: Simplify right side
    26,193.12x = 340,334,283.57
  5. Step 5: Solve for x
    x = 340,334,283.57/26,193.12
  6. Step 6: Final answer
    x = 12,993.27

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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.