Home / 31,727.12-43,779.24-17,578.16

Finding the Fourth Proportional to 31,727.12, 43,779.24 and 17,578.16

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Solution

The fourth proportional to 31,727.12, 43,779.24 and 17,578.16 is: 24,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.12 : 43,779.24 = 17,578.16 : x
  2. Step 2: Convert to fraction form
    31,727.12/43,779.24 = 17,578.16/x
  3. Step 3: Cross multiply
    31,727.12x = 43,779.24 × 17,578.16
  4. Step 4: Simplify right side
    31,727.12x = 769,558,485.40
  5. Step 5: Solve for x
    x = 769,558,485.40/31,727.12
  6. Step 6: Final answer
    x = 24,255.54

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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.