Home / 26,185.42-39,315.04-18,785.85

Finding the Fourth Proportional to 26,185.42, 39,315.04 and 18,785.85

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Solution

The fourth proportional to 26,185.42, 39,315.04 and 18,785.85 is: 28,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.42 : 39,315.04 = 18,785.85 : x
  2. Step 2: Convert to fraction form
    26,185.42/39,315.04 = 18,785.85/x
  3. Step 3: Cross multiply
    26,185.42x = 39,315.04 × 18,785.85
  4. Step 4: Simplify right side
    26,185.42x = 738,566,444.18
  5. Step 5: Solve for x
    x = 738,566,444.18/26,185.42
  6. Step 6: Final answer
    x = 28,205.25

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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.