Home / 26,621.86-39,935.10-9,759.43

Finding the Fourth Proportional to 26,621.86, 39,935.10 and 9,759.43

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Solution

The fourth proportional to 26,621.86, 39,935.10 and 9,759.43 is: 14,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.86 : 39,935.10 = 9,759.43 : x
  2. Step 2: Convert to fraction form
    26,621.86/39,935.10 = 9,759.43/x
  3. Step 3: Cross multiply
    26,621.86x = 39,935.10 × 9,759.43
  4. Step 4: Simplify right side
    26,621.86x = 389,743,812.99
  5. Step 5: Solve for x
    x = 389,743,812.99/26,621.86
  6. Step 6: Final answer
    x = 14,639.99

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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.