Home / 26,351.07-39,520.87-8,340.69

Finding the Fourth Proportional to 26,351.07, 39,520.87 and 8,340.69

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Solution

The fourth proportional to 26,351.07, 39,520.87 and 8,340.69 is: 12,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351.07 : 39,520.87 = 8,340.69 : x
  2. Step 2: Convert to fraction form
    26,351.07/39,520.87 = 8,340.69/x
  3. Step 3: Cross multiply
    26,351.07x = 39,520.87 × 8,340.69
  4. Step 4: Simplify right side
    26,351.07x = 329,631,444.85
  5. Step 5: Solve for x
    x = 329,631,444.85/26,351.07
  6. Step 6: Final answer
    x = 12,509.23

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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.