Home / 26,240.20-39,356.70-8,708.20

Finding the Fourth Proportional to 26,240.20, 39,356.70 and 8,708.20

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Solution

The fourth proportional to 26,240.20, 39,356.70 and 8,708.20 is: 13,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.20 : 39,356.70 = 8,708.20 : x
  2. Step 2: Convert to fraction form
    26,240.20/39,356.70 = 8,708.20/x
  3. Step 3: Cross multiply
    26,240.20x = 39,356.70 × 8,708.20
  4. Step 4: Simplify right side
    26,240.20x = 342,726,014.94
  5. Step 5: Solve for x
    x = 342,726,014.94/26,240.20
  6. Step 6: Final answer
    x = 13,061.11

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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.