Home / 28,535.44-39,379.04-15,960.19

Finding the Fourth Proportional to 28,535.44, 39,379.04 and 15,960.19

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Solution

The fourth proportional to 28,535.44, 39,379.04 and 15,960.19 is: 22,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.44 : 39,379.04 = 15,960.19 : x
  2. Step 2: Convert to fraction form
    28,535.44/39,379.04 = 15,960.19/x
  3. Step 3: Cross multiply
    28,535.44x = 39,379.04 × 15,960.19
  4. Step 4: Simplify right side
    28,535.44x = 628,496,842.02
  5. Step 5: Solve for x
    x = 628,496,842.02/28,535.44
  6. Step 6: Final answer
    x = 22,025.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.