Home / 26,520.30-39,776.40-7,795.92

Finding the Fourth Proportional to 26,520.30, 39,776.40 and 7,795.92

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Solution

The fourth proportional to 26,520.30, 39,776.40 and 7,795.92 is: 11,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.30 : 39,776.40 = 7,795.92 : x
  2. Step 2: Convert to fraction form
    26,520.30/39,776.40 = 7,795.92/x
  3. Step 3: Cross multiply
    26,520.30x = 39,776.40 × 7,795.92
  4. Step 4: Simplify right side
    26,520.30x = 310,093,632.29
  5. Step 5: Solve for x
    x = 310,093,632.29/26,520.30
  6. Step 6: Final answer
    x = 11,692.69

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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.