Home / 26,409.57-39,620.30-8,878.88

Finding the Fourth Proportional to 26,409.57, 39,620.30 and 8,878.88

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Solution

The fourth proportional to 26,409.57, 39,620.30 and 8,878.88 is: 13,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.57 : 39,620.30 = 8,878.88 : x
  2. Step 2: Convert to fraction form
    26,409.57/39,620.30 = 8,878.88/x
  3. Step 3: Cross multiply
    26,409.57x = 39,620.30 × 8,878.88
  4. Step 4: Simplify right side
    26,409.57x = 351,783,646.77
  5. Step 5: Solve for x
    x = 351,783,646.77/26,409.57
  6. Step 6: Final answer
    x = 13,320.31

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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.